Bump css-loader from 3.2.1 to 3.3.0

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 3.2.1 to 3.3.0.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](webpack/css-loader@v3.2.1...v3.3.0)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -63,7 +63,7 @@
 		"autoprefixer": "^9.7.3",
 		"babel-eslint": "^10.0.3",
 		"babel-loader": "^8.0.6",
-		"css-loader": "^3.2.1",
+		"css-loader": "^3.3.0",
 		"eslint": "^5.16.0",
 		"eslint-config-nextcloud": "^0.1.0",
 		"eslint-config-standard": "^12.0.0",