npm: bump stylelint-config-wikimedia from 0.17.2 to 0.18.0

Bumps [stylelint-config-wikimedia](https://github.com/wikimedia/stylelint-config-wikimedia) from 0.17.2 to 0.18.0.
- [Release notes](https://github.com/wikimedia/stylelint-config-wikimedia/releases)
- [Changelog](https://github.com/wikimedia/stylelint-config-wikimedia/blob/main/CHANGELOG.md)
- [Commits](wikimedia/stylelint-config-wikimedia@v0.17.2...v0.18.0)

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

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