chore(deps-dev): bump css-loader from 5.2.7 to 6.0.0 (#169)

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 5.2.7 to 6.0.0.
- [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...v6.0.0)

---
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

@@ -37,7 +37,7 @@
     "babel-loader": "^8.2.2",
     "babel-plugin-transform-react-class-to-function": "^1.2.2",
     "copy-webpack-plugin": "^9.0.1",
-    "css-loader": "^5.2.6",
+    "css-loader": "^6.0.0",
     "eslint": "^7.30.0",
     "eslint-config-react-app": "^6.0.0",
     "html-webpack-plugin": "^5.3.2",