Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 0.5.0 to 0.6.0. - [Release notes](https://github.com/webpack-contrib/mini-css-extract-plugin/releases) - [Changelog](https://github.com/webpack-contrib/mini-css-extract-plugin/blob/master/CHANGELOG.md) - [Commits](https://github.com/webpack-contrib/mini-css-extract-plugin/compare/v0.5.0...v0.6.0) Signed-off-by: dependabot[bot] <support@dependabot.com>