chore: Bump css-loader from 4.2.1 to 4.2.2 (#52)

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 4.2.1 to 4.2.2.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](webpack/css-loader@v4.2.1...v4.2.2)

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