Bump stylelint from 14.5.3 to 14.9.1

Bumps [stylelint](https://github.com/stylelint/stylelint) from 14.5.3 to 14.9.1.
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint@14.5.3...14.9.1)

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

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Author: dependabot[bot]