Bumps [loader-utils](https://github.com/webpack/loader-utils) and [webpack-cli](https://github.com/webpack/webpack-cli). These dependencies needed to be updated together.

Updates `loader-utils` from 1.2.3 to 1.4.2
- [Release notes](https://github.com/webpack/loader-utils/releases)
- [Changelog](https://github.com/webpack/loader-utils/blob/v1.4.2/CHANGELOG.md)
- [Commits](https://github.com/webpack/loader-utils/compare/v1.2.3...v1.4.2)

Updates `webpack-cli` from 3.3.10 to 4.10.0
- [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/v3.3.10...webpack-cli@4.10.0

)

---
updated-dependencies:
- dependency-name: loader-utils
  dependency-type: indirect
- dependency-name: webpack-cli
  dependency-type: indirect
...
Signed-off-by: dependabot[bot] <support@github.com>