Upgrade: Bump postcss-loader from 7.0.1 to 7.0.2

Bumps [postcss-loader](https://github.com/webpack-contrib/postcss-loader) from 7.0.1 to 7.0.2.
- [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@v7.0.1...v7.0.2)

---
updated-dependencies:
- dependency-name: postcss-loader
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -45,7 +45,7 @@
     "postcss": "^8.4.20",
     "postcss-flexbugs-fixes": "^5.0.2",
     "postcss-import": "^15.1.0",
-    "postcss-loader": "^7.0.1",
+    "postcss-loader": "^7.0.2",
     "postcss-preset-env": "^7.8.3",
     "prismjs": "^1.29.0",
     "prop-types": "^15.8.1",