Bump postcss-loader from 5.0.0 to 5.1.0 (#529)

Bumps [postcss-loader](https://github.com/webpack-contrib/postcss-loader) from 5.0.0 to 5.1.0.
- [Release notes](https://github.com/webpack-contrib/postcss-loader/releases)
- [Changelog](https://github.com/webpack-contrib/postcss-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/postcss-loader@v5.0.0...v5.1.0)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -105,7 +105,7 @@
     "null-loader": "^4.0.1",
     "postcss": "^8.2.7",
     "postcss-flexbugs-fixes": "^5.0.2",
-    "postcss-loader": "^5.0.0",
+    "postcss-loader": "^5.1.0",
     "prettier": "^2.2.1",
     "react-refresh": "^0.9.0",
     "react-test-renderer": "^17.0.1",

yarn.lock

@@ -7149,10 +7149,10 @@ postcss-less@^3.1.4:
   dependencies:
     postcss "^7.0.14"
 
-postcss-loader@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-5.0.0.tgz#bea95363dcb550d72ceb612ce44663356b7782d7"
-  integrity sha512-bOvyWP5VHCJbThbv7wrBwCBc3DsVpyCfd+k/wHOL3wTAMMHmSSfNts90EADf8bHa6I810ird1JBEKmBRgJu3cg==
+postcss-loader@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-5.1.0.tgz#8a36f18b8989bee94172626b25f2b9cc6160fb43"
+  integrity sha512-tGgKZF6Ntn16zIWXt7yKV19L0rISaozHPCfdPt+aHOnTZrreeqVR6hCkFhZYfJ6KgpyIFRkKuW8ygHtUid4GlA==
   dependencies:
     cosmiconfig "^7.0.0"
     klona "^2.0.4"