* build(deps-dev): bump css-loader in /amundsen_application/static

Bumps [css-loader](https://github.com/webpack-contrib/css-loader) from 3.5.3 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](https://github.com/webpack-contrib/css-loader/compare/v3.5.3...v4.2.2)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

* Updates url paths to be relative
Signed-off-by: Marcos Iglesias <miglesiasvalle@lyft.com>
Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: Marcos Iglesias <miglesiasvalle@lyft.com>