build(deps-dev): bump unplugin-icons from 0.19.0 to 0.22.0 in /frontend

Bumps [unplugin-icons](https://github.com/unplugin/unplugin-icons) from 0.19.0 to 0.22.0.
- [Release notes](https://github.com/unplugin/unplugin-icons/releases)
- [Commits](unplugin/unplugin-icons@v0.19.0...v0.22.0)

---
updated-dependencies:
- dependency-name: unplugin-icons
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>