Bump css-loader from 5.2.7 to 6.6.0 (#293)

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 5.2.7 to 6.6.0.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/css-loader/compare/v5.2.7...v6.6.0)

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

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

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

package.json

@@ -55,7 +55,7 @@
     "clean-webpack-plugin": "^4.0.0",
     "copy-webpack-plugin": "^9.0.1",
     "crypto-browserify": "^3.12.0",
-    "css-loader": "^5.2.0",
+    "css-loader": "^6.6.0",
     "css-minimizer-webpack-plugin": "^1.3.0",
     "eslint": "^8.8.0",
     "eslint-config-airbnb": "^19.0.4",