chore(deps): bump postcss-loader from 5.3.0 to 6.1.0

Bumps [postcss-loader](https://github.com/webpack-contrib/postcss-loader) from 5.3.0 to 6.1.0.
- [Release notes](https://github.com/webpack-contrib/postcss-loader/releases)
- [Changelog](https://github.com/webpack-contrib/postcss-loader/blob/master/CHANGELOG.md)
- [Commits](webpack/postcss-loader@v5.3.0...v6.1.0)

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

Author: dependabot-preview[bot]

package.json

@@ -34,7 +34,7 @@
     "loader-utils": "^2.0.0",
     "node-sass": "^5.0.0",
     "npm-run-all": "^4.1.5",
-    "postcss-loader": "^5.3.0",
+    "postcss-loader": "^6.1.0",
     "sass-loader": "^11.1.1",
     "style-loader": "^2.0.0",
     "webpack": "^5.39.1",

yarn.lock

@@ -7027,14 +7027,14 @@ postcss-less@^3.1.4:
   dependencies:
     postcss "^7.0.14"
 
-postcss-loader@^5.3.0:
-  version "5.3.0"
-  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-5.3.0.tgz#1657f869e48d4fdb018a40771c235e499ee26244"
-  integrity sha512-/+Z1RAmssdiSLgIZwnJHwBMnlABPgF7giYzTN2NOfr9D21IJZ4mQC1R2miwp80zno9M4zMD/umGI8cR+2EL5zw==
+postcss-loader@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-6.1.0.tgz#13c800a00b3c7d434a1319a73d85e2df0714cdde"
+  integrity sha512-yA/cXBfACkthZNA2hQxOnaReVfQ6uLmvbEDQzNafpbK40URZJvP/28dL1DG174Gvz3ptkkHbbwDBCh+gXR94CA==
   dependencies:
     cosmiconfig "^7.0.0"
     klona "^2.0.4"
-    semver "^7.3.4"
+    semver "^7.3.5"
 
 postcss-media-query-parser@^0.2.3:
   version "0.2.3"