fix: bump eslint-plugin-yml from 1.14.0 to 1.15.0

Bumps [eslint-plugin-yml](https://github.com/ota-meshi/eslint-plugin-yml) from 1.14.0 to 1.15.0.
- [Release notes](https://github.com/ota-meshi/eslint-plugin-yml/releases)
- [Changelog](https://github.com/ota-meshi/eslint-plugin-yml/blob/master/CHANGELOG.md)
- [Commits](ota-meshi/eslint-plugin-yml@v1.14.0...v1.15.0)

---
updated-dependencies:
- dependency-name: eslint-plugin-yml
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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