Bump postcss and css-loader

Bumps [postcss](https://github.com/postcss/postcss) to 7.0.39 and updates ancestor dependency [css-loader](https://github.com/webpack-contrib/css-loader). These dependencies need to be updated together.


Updates `postcss` from 7.0.2 to 7.0.39
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/7.0.39/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/7.0.2...7.0.39)

Updates `css-loader` from 1.0.0 to 6.7.3
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/css-loader/compare/v1.0.0...v6.7.3)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: indirect
- dependency-name: css-loader
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

@@ -412,16 +412,6 @@
         "postcss-value-parser": "^3.2.3"
       },
       "dependencies": {
-        "postcss": {
-          "version": "7.0.2",
-          "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.2.tgz",
-          "integrity": "sha512-fmaUY5370keLUTx+CnwRxtGiuFTcNBLQBqr1oE3WZ/euIYmGAo0OAgOhVJ3ByDnVmOR3PK+0V9VebzfjRIUcqw==",
-          "requires": {
-            "chalk": "^2.4.1",
-            "source-map": "^0.6.1",
-            "supports-color": "^5.4.0"
-          }
-        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -439,53 +429,6 @@
       "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
       "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
     },
-    "babel-code-frame": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
-      "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
-      "requires": {
-        "chalk": "^1.1.3",
-        "esutils": "^2.0.2",
-        "js-tokens": "^3.0.2"
-      },
-      "dependencies": {
-        "ansi-regex": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
-        },
-        "ansi-styles": {
-          "version": "2.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-          "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4="
-        },
-        "chalk": {
-          "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-          "requires": {
-            "ansi-styles": "^2.2.1",
-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
-            "strip-ansi": "^3.0.0",
-            "supports-color": "^2.0.0"
-          }
-        },
-        "strip-ansi": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-          "requires": {
-            "ansi-regex": "^2.0.0"
-          }
-        },
-        "supports-color": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-          "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
-        }
-      }
-    },
     "babel-runtime": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
@@ -1238,22 +1181,56 @@
       }
     },
     "css-loader": {
-      "version": "1.0.0",
+      "version": "6.7.3",
-      "resolved": "https://registry.npmjs.org/css-loader/-/css-loader-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/css-loader/-/css-loader-6.7.3.tgz",
-      "integrity": "sha512-tMXlTYf3mIMt3b0dDCOQFJiVvxbocJ5Ho577WiGPYPZcqVEO218L2iU22pDXzkTZCLDE+9AmGSUkWxeh/nZReA==",
+      "integrity": "sha512-qhOH1KlBMnZP8FzRO6YCH9UHXQhVMcEGLyNdb7Hv2cpcmJbW0YrddO+tG1ab5nT41KpHIYGsbeHqxB9xPu1pKQ==",
       "requires": {
-        "babel-code-frame": "^6.26.0",
+        "icss-utils": "^5.1.0",
-        "css-selector-tokenizer": "^0.7.0",
+        "postcss": "^8.4.19",
-        "icss-utils": "^2.1.0",
+        "postcss-modules-extract-imports": "^3.0.0",
-        "loader-utils": "^1.0.2",
+        "postcss-modules-local-by-default": "^4.0.0",
-        "lodash.camelcase": "^4.3.0",
+        "postcss-modules-scope": "^3.0.0",
-        "postcss": "^6.0.23",
+        "postcss-modules-values": "^4.0.0",
-        "postcss-modules-extract-imports": "^1.2.0",
+        "postcss-value-parser": "^4.2.0",
-        "postcss-modules-local-by-default": "^1.2.0",
+        "semver": "^7.3.8"
-        "postcss-modules-scope": "^1.1.0",
+      },
-        "postcss-modules-values": "^1.3.0",
+      "dependencies": {
-        "postcss-value-parser": "^3.3.0",
+        "lru-cache": {
-        "source-list-map": "^2.0.0"
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+          "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+          "requires": {
+            "yallist": "^4.0.0"
+          }
+        },
+        "postcss": {
+          "version": "8.4.21",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
+          "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
+          "requires": {
+            "nanoid": "^3.3.4",
+            "picocolors": "^1.0.0",
+            "source-map-js": "^1.0.2"
+          }
+        },
+        "postcss-value-parser": {
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz",
+          "integrity": "sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ=="
+        },
+        "semver": {
+          "version": "7.4.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.4.0.tgz",
+          "integrity": "sha512-RgOxM8Mw+7Zus0+zcLEUn8+JfoLpj/huFTItQy2hsM4khuC1HYRDp0cU482Ewn/Fcy6bCjufD8vAj7voC66KQw==",
+          "requires": {
+            "lru-cache": "^6.0.0"
+          }
+        },
+        "yallist": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+          "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+        }
       }
     },
     "css-select": {
@@ -1267,25 +1244,15 @@
         "nth-check": "~1.0.1"
       }
     },
-    "css-selector-tokenizer": {
-      "version": "0.7.0",
-      "resolved": "https://registry.npmjs.org/css-selector-tokenizer/-/css-selector-tokenizer-0.7.0.tgz",
-      "integrity": "sha1-5piEdK6MlTR3v15+/s/OzNnPTIY=",
-      "requires": {
-        "cssesc": "^0.1.0",
-        "fastparse": "^1.1.1",
-        "regexpu-core": "^1.0.0"
-      }
-    },
     "css-what": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.0.tgz",
       "integrity": "sha1-lGfQMsOM+u+58teVASUwYvh/ob0="
     },
     "cssesc": {
-      "version": "0.1.0",
+      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-0.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-3.0.0.tgz",
-      "integrity": "sha1-yBSQPkViM3GgR3tAEJqq++6t27Q="
+      "integrity": "sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg=="
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     "currently-unhandled": {
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@@ -1639,11 +1606,6 @@
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       "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM="
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-    "esutils": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.2.tgz",
-      "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs="
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     "etag": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
@@ -1883,11 +1845,6 @@
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
       "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
     },
-    "fastparse": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/fastparse/-/fastparse-1.1.1.tgz",
-      "integrity": "sha1-0eJkOzipTXWDtHkGDmxK/8lAcfg="
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     "figures": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/figures/-/figures-2.0.0.tgz",
@@ -2145,7 +2102,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2163,11 +2121,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2180,15 +2140,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2291,7 +2254,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
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@@ -2301,6 +2265,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2313,17 +2278,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -2340,6 +2308,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2412,7 +2381,8 @@
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         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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         "object-assign": {
           "version": "4.1.1",
@@ -2422,6 +2392,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2497,7 +2468,8 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2527,6 +2499,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -2544,6 +2517,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -2582,11 +2556,13 @@
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         "wrappy": {
           "version": "1.0.2",
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+          "bundled": true,
+          "optional": true
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         "yallist": {
           "version": "3.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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@@ -3050,18 +3026,10 @@
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-    "icss-replace-symbols": {
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-      "resolved": "https://registry.npmjs.org/icss-replace-symbols/-/icss-replace-symbols-1.1.0.tgz",
-      "integrity": "sha1-Bupvg2ead0njhs/h/oEq5dsiPe0="
-    },
     "icss-utils": {
-      "version": "2.1.0",
+      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/icss-utils/-/icss-utils-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/icss-utils/-/icss-utils-5.1.0.tgz",
-      "integrity": "sha1-g/Cg7DeL8yRheLbCrZE28TWxyWI=",
+      "integrity": "sha512-soFhflCVWLfRNOPU3iv5Z9VUdT44xFRbzjLsEzSr5AQmgqPMTHdU3PMT1Cf1ssx8fLNJDA1juftYl+PUcv3MqA=="
-      "requires": {
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     "ieee754": {
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@@ -3477,11 +3445,6 @@
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-    "js-tokens": {
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-      "integrity": "sha1-mGbfOVECEw449/mWvOtlRDIJwls="
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@@ -3497,11 +3460,6 @@
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-    "jsesc": {
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-      "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
-      "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0="
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@@ -3638,11 +3596,6 @@
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-    "lodash.camelcase": {
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-      "integrity": "sha1-soqmKIorn8ZRA1x3EfZathkDMaY="
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@@ -3794,7 +3747,7 @@
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         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
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@@ -4000,6 +3953,11 @@
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+    "nanoid": {
+      "version": "3.3.6",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.6.tgz",
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+    },
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       "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
@@ -4150,7 +4108,7 @@
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         "chalk": {
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
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@@ -4549,6 +4507,11 @@
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       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
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+    "picocolors": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
+      "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ=="
+    },
     "pify": {
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@@ -4591,15 +4554,19 @@
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     },
     "postcss": {
-      "version": "6.0.23",
+      "version": "7.0.39",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.23.tgz",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.39.tgz",
-      "integrity": "sha512-soOk1h6J3VMTZtVeVpv15/Hpdl2cBLX3CAw4TAbkpTJiNPk9YP/zWcD1ND+xEtvyuuvKzbxliTOIyvkSeSJ6ag==",
+      "integrity": "sha512-yioayjNbHn6z1/Bywyb2Y4s3yvDAeXGOyxqD+LnVOinq6Mdmd++SW2wUNVzavyyHxd6+DxzWGIuosg6P1Rj8uA==",
       "requires": {
-        "chalk": "^2.4.1",
+        "picocolors": "^0.2.1",
-        "source-map": "^0.6.1",
+        "source-map": "^0.6.1"
-        "supports-color": "^5.4.0"
       },
       "dependencies": {
+        "picocolors": {
+          "version": "0.2.1",
+          "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-0.2.1.tgz",
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     "postcss-value-parser": {
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+    "source-map-js": {
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package.json

@@ -28,7 +28,7 @@
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     "file-loader": "^2.0.0",
     "flag-icon-css": "^3.0.0",
     "html-webpack-plugin": "^3.2.0",