build(deps-dev): bump eslint-plugin-lit from 1.14.0 to 1.15.0

Bumps [eslint-plugin-lit](https://github.com/43081j/eslint-plugin-lit) from 1.14.0 to 1.15.0.
- [Release notes](https://github.com/43081j/eslint-plugin-lit/releases)
- [Commits](43081j/eslint-plugin-lit@v1.14.0...1.15.0)

---
updated-dependencies:
- dependency-name: eslint-plugin-lit
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]