chore(deps): bump css-loader from 3.6.0 to 7.1.4 in /ui

Bumps [css-loader](https://github.com/webpack/css-loader) from 3.6.0 to 7.1.4.
- [Release notes](https://github.com/webpack/css-loader/releases)
- [Changelog](https://github.com/webpack/css-loader/blob/main/CHANGELOG.md)
- [Commits](webpack/css-loader@v3.6.0...v7.1.4)

---
updated-dependencies:
- dependency-name: css-loader
  dependency-version: 7.1.4
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]