Bump json5, css-loader, mini-css-extract-plugin, sass-loader, style-loader, webpack and webpack-cli

Removes [json5](https://github.com/json5/json5). It's no longer used after updating ancestor dependencies [json5](https://github.com/json5/json5), [css-loader](https://github.com/webpack-contrib/css-loader), [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin), [sass-loader](https://github.com/webpack-contrib/sass-loader), [style-loader](https://github.com/webpack-contrib/style-loader), [webpack](https://github.com/webpack/webpack) and [webpack-cli](https://github.com/webpack/webpack-cli). These dependencies need to be updated together.


Removes `json5`

Updates `css-loader` from 0.28.5 to 6.7.3
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/css-loader@v0.28.5...v6.7.3)

Updates `mini-css-extract-plugin` from 0.5.0 to 2.7.2
- [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](webpack-contrib/mini-css-extract-plugin@v0.5.0...v2.7.2)

Updates `sass-loader` from 6.0.6 to 13.2.0
- [Release notes](https://github.com/webpack-contrib/sass-loader/releases)
- [Changelog](https://github.com/webpack-contrib/sass-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/sass-loader@v6.0.6...v13.2.0)

Updates `style-loader` from 0.18.2 to 3.3.1
- [Release notes](https://github.com/webpack-contrib/style-loader/releases)
- [Changelog](https://github.com/webpack-contrib/style-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/style-loader@v0.18.2...v3.3.1)

Updates `webpack` from 4.29.0 to 5.75.0
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v4.29.0...v5.75.0)

Updates `webpack-cli` from 3.2.1 to 5.0.1
- [Release notes](https://github.com/webpack/webpack-cli/releases)
- [Changelog](https://github.com/webpack/webpack-cli/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-cli/compare/v.3.2.1...webpack-cli@5.0.1)

---
updated-dependencies:
- dependency-name: json5
  dependency-type: indirect
- dependency-name: css-loader
  dependency-type: direct:development
- dependency-name: mini-css-extract-plugin
  dependency-type: direct:development
- dependency-name: sass-loader
  dependency-type: direct:development
- dependency-name: style-loader
  dependency-type: direct:development
- dependency-name: webpack
  dependency-type: direct:development
- dependency-name: webpack-cli
  dependency-type: direct:development
...

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Author: dependabot[bot]