npm: bump css-loader from 6.9.0 to 7.1.2

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 6.9.0 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@v6.9.0...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

@@ -70,7 +70,7 @@
         "block.gl": "^0.0.1",
         "clean-webpack-plugin": "^4.0.0",
         "copy-webpack-plugin": "^11.0.0",
-        "css-loader": "^6.8.1",
+        "css-loader": "^7.1.2",
         "css-minimizer-webpack-plugin": "^5.0.0",
         "deep.gl": "^0.0.1",
         "del": "^7.1.0",