Bump postcss-loader from 6.1.1 to 6.2.0

Bumps [postcss-loader](https://github.com/webpack-contrib/postcss-loader) from 6.1.1 to 6.2.0.
- [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/v6.1.1...v6.2.0)

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

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

package.json

@@ -64,7 +64,7 @@
   "mini-css-extract-plugin": "^2.4.2",
   "npm-run-all": "^4.1.5",
   "postcss": "^8.3.9",
-  "postcss-loader": "^6.1.1",
+  "postcss-loader": "^6.2.0",
   "prettier": "^2.4.1",
   "release-it": "^14.11.6",
   "sass": "^1.42.1",

yarn.lock

@@ -6109,10 +6109,10 @@ portfinder@^1.0.28:
     debug "^3.1.1"
     mkdirp "^0.5.5"
 
-postcss-loader@^6.1.1:
-  version "6.1.1"
-  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-6.1.1.tgz#58dd0a3accd9bc87cc52eff75244db578d11301a"
-  integrity sha512-lBmJMvRh1D40dqpWKr9Rpygwxn8M74U9uaCSeYGNKLGInbk9mXBt1ultHf2dH9Ghk6Ue4UXlXWwGMH9QdUJ5ug==
+postcss-loader@^6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-6.2.0.tgz#714370a3f567141cf4cadcdf9575f5234d186bc5"
+  integrity sha512-H9hv447QjQJVDbHj3OUdciyAXY3v5+UDduzEytAlZCVHCpNAAg/mCSwhYYqZr9BiGYhmYspU8QXxZwiHTLn3yA==
   dependencies:
     cosmiconfig "^7.0.0"
     klona "^2.0.4"