build(deps-dev): Bump postcss-loader from 6.2.1 to 7.0.0

Bumps [postcss-loader](https://github.com/webpack-contrib/postcss-loader) from 6.2.1 to 7.0.0.
- [Release notes](https://github.com/webpack-contrib/postcss-loader/releases)
- [Changelog](https://github.com/webpack-contrib/postcss-loader/blob/master/CHANGELOG.md)
- [Commits](webpack/postcss-loader@v6.2.1...v7.0.0)

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

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

Author: dependabot[bot]

package.json

@@ -86,7 +86,7 @@
     "less": "^4.1.2",
     "less-loader": "^10.2.0",
     "postcss": "^8.4.5",
-    "postcss-loader": "^6.2.1",
+    "postcss-loader": "^7.0.0",
     "prettier": "^2.5.1",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",

yarn.lock

@@ -12207,7 +12207,7 @@ nan@^2.12.1:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.15.0.tgz#3f34a473ff18e15c1b5626b62903b5ad6e665fee"
   integrity sha512-8ZtvEnA2c5aYCZYd1cvgdnU6cqwixRoYg70xPLWUws5ORTa/lnw+u4amixRS/Ac5U5mQVgp9pnlSUnbNWFaWZQ==
 
-nanoid@^3.1.23, nanoid@^3.3.4:
+nanoid@^3.1.23, nanoid@^3.3.1, nanoid@^3.3.4:
   version "3.3.4"
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.4.tgz#730b67e3cd09e2deacf03c027c81c9d9dbc5e8ab"
   integrity sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==
@@ -13300,14 +13300,14 @@ postcss-loader@^4.2.0:
     schema-utils "^3.0.0"
     semver "^7.3.4"
 
-postcss-loader@^6.2.1:
-  version "6.2.1"
-  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-6.2.1.tgz#0895f7346b1702103d30fdc66e4d494a93c008ef"
-  integrity sha512-WbbYpmAaKcux/P66bZ40bpWsBucjx/TTgVVzRZ9yUO8yQfVBlameJ0ZGVaPfH64hNSBh63a+ICP5nqOpBA0w+Q==
+postcss-loader@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-7.0.0.tgz#367d10eb1c5f1d93700e6b399683a6dc7c3af396"
+  integrity sha512-IDyttebFzTSY6DI24KuHUcBjbAev1i+RyICoPEWcAstZsj03r533uMXtDn506l6/wlsRYiS5XBdx7TpccCsyUg==
   dependencies:
     cosmiconfig "^7.0.0"
     klona "^2.0.5"
-    semver "^7.3.5"
+    semver "^7.3.7"
 
 postcss-media-query-parser@^0.2.3:
   version "0.2.3"