Bump postcss-loader from 7.3.4 to 8.0.0

Bumps [postcss-loader](https://github.com/webpack-contrib/postcss-loader) from 7.3.4 to 8.0.0.
- [Release notes](https://github.com/webpack-contrib/postcss-loader/releases)
- [Changelog](https://github.com/webpack-contrib/postcss-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/postcss-loader/compare/v7.3.4...v8.0.0)

---
updated-dependencies:
- dependency-name: postcss-loader
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -55,7 +55,7 @@
     "lato-font": "^3.0.0",
     "mini-css-extract-plugin": "^2.7.7",
     "postcss": "^8.4.33",
-    "postcss-loader": "^7.3.3",
+    "postcss-loader": "^8.0.0",
     "postcss-scss": "^4.0.9",
     "sass": "^1.70.0",
     "sass-loader": "^13.3.2",

yarn.lock

@@ -2086,7 +2086,7 @@ core-util-is@~1.0.0:
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.3.tgz#a6042d3634c2b27e9328f837b965fac83808db85"
   integrity sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ==
 
-cosmiconfig@^8.2.0, cosmiconfig@^8.3.5:
+cosmiconfig@^8.2.0:
   version "8.3.6"
   resolved "https://registry.yarnpkg.com/cosmiconfig/-/cosmiconfig-8.3.6.tgz#060a2b871d66dba6c8538ea1118ba1ac16f5fae3"
   integrity sha512-kcZ6+W5QzcJ3P1Mt+83OUv/oHFqZHIx8DuxG6eZ5RGMERoLqp4BuGjhHLYGK+Kf5XVkQvqBSmAy/nGWN3qDgEA==
@@ -2096,6 +2096,16 @@ cosmiconfig@^8.2.0, cosmiconfig@^8.3.5:
     parse-json "^5.2.0"
     path-type "^4.0.0"
 
+cosmiconfig@^9.0.0:
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/cosmiconfig/-/cosmiconfig-9.0.0.tgz#34c3fc58287b915f3ae905ab6dc3de258b55ad9d"
+  integrity sha512-itvL5h8RETACmOTFc4UfIyB2RfEHi71Ax6E/PivVxq9NseKbOWpeyHEOIbmAw1rs8Ak0VursQNww7lf7YtUwzg==
+  dependencies:
+    env-paths "^2.2.1"
+    import-fresh "^3.3.0"
+    js-yaml "^4.1.0"
+    parse-json "^5.2.0"
+
 cross-spawn@^7.0.2, cross-spawn@^7.0.3:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.3.tgz#f73a85b9d5d41d045551c177e2882d4ac85728a6"
@@ -2309,6 +2319,11 @@ enhanced-resolve@^5.15.0:
     graceful-fs "^4.2.4"
     tapable "^2.2.0"
 
+env-paths@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/env-paths/-/env-paths-2.2.1.tgz#420399d416ce1fbe9bc0a07c62fa68d67fd0f8f2"
+  integrity sha512-+h1lkLKhZMTYjog1VEpJNG7NZJWcuc2DDk/qsqSTRRCOXiLjeQ1d1/udrUGhqMxUgAlwKNZ0cf2uqan5GLuS2A==
+
 envinfo@^7.7.3:
   version "7.11.0"
   resolved "https://registry.yarnpkg.com/envinfo/-/envinfo-7.11.0.tgz#c3793f44284a55ff8c82faf1ffd91bc6478ea01f"
@@ -4164,12 +4179,12 @@ pkg-dir@^7.0.0:
   dependencies:
     find-up "^6.3.0"
 
-postcss-loader@^7.3.3:
-  version "7.3.4"
-  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-7.3.4.tgz#aed9b79ce4ed7e9e89e56199d25ad1ec8f606209"
-  integrity sha512-iW5WTTBSC5BfsBJ9daFMPVrLT36MrNiC6fqOZTTaHjBNX6Pfd5p+hSBqe/fEeNd7pc13QiAyGt7VdGMw4eRC4A==
+postcss-loader@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-8.0.0.tgz#98bb2fb8f5b8e756ef9847e639f6e323d3f15745"
+  integrity sha512-+RiNlmYd1aXYv6QSBOAu6n9eJYy0ydyXTfjljAJ3vFU6MMo2M552zTVcBpBH+R5aAeKaYVG1K9UEyAVsLL1Qjg==
   dependencies:
-    cosmiconfig "^8.3.5"
+    cosmiconfig "^9.0.0"
     jiti "^1.20.0"
     semver "^7.5.4"