Bump css-minimizer-webpack-plugin from 4.0.0 to 4.1.0 (#843)

Bump css-minimizer-webpack-plugin from 4.0.0 to 4.1.0 (#843)

Bumps [css-minimizer-webpack-plugin](https://github.com/webpack-contrib/css-minimizer-webpack-plugin) from 4.0.0 to 4.1.0.
- [Release notes](https://github.com/webpack-contrib/css-minimizer-webpack-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/css-minimizer-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/css-minimizer-webpack-plugin/compare/v4.0.0...v4.1.0)

---
updated-dependencies:
- dependency-name: css-minimizer-webpack-plugin
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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