Bump css-loader from 6.7.4 to 6.8.1

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 6.7.4 to 6.8.1.
- [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/v6.7.4...v6.8.1)

---
updated-dependencies:
- dependency-name: css-loader
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -35,7 +35,7 @@
     "clsx": "1.2.1",
     "color": "4.2.3",
     "columnify": "1.6.0",
-    "css-loader": "6.7.4",
+    "css-loader": "6.8.1",
     "got": "12.4.1",
     "json-loader": "0.5.7",
     "mousetrap": "chabou/mousetrap#useCapture",