Bump stylelint from 16.26.1 to 17.0.0 in /frontend

Bumps [stylelint](https://github.com/stylelint/stylelint) from 16.26.1 to 17.0.0.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint@16.26.1...17.0.0)

---
updated-dependencies:
- dependency-name: stylelint
  dependency-version: 17.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]