Bump css-loader from 4.2.2 to 4.3.0

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 4.2.2 to 4.3.0.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/css-loader/compare/v4.2.2...v4.3.0)

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

package.json

@@ -79,7 +79,7 @@
 		"babel-eslint": "^10.1.0",
 		"babel-jest": "^26.3.0",
 		"babel-loader": "^8.1.0",
-		"css-loader": "^4.2.2",
+		"css-loader": "^4.3.0",
 		"eslint": "^6.8.0",
 		"eslint-config-standard": "^12.0.0",
 		"eslint-friendly-formatter": "^4.0.1",