Build(deps-dev): Bump css-loader from 6.10.0 to 7.1.2

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 6.10.0 to 7.1.2.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/css-loader@v6.10.0...v7.1.2)

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

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

package.json

@@ -23,7 +23,7 @@
     "@nextcloud/browserslist-config": "^2.3.0",
     "babel-loader": "^9.1.3",
     "clean-webpack-plugin": "^4.0.0",
-    "css-loader": "^6.10.0",
+    "css-loader": "^7.1.2",
     "escape-html": "^1.0.3",
     "file-loader": "^6.2.0",
     "promise-loader": "^1.0.0",