chore(deps): bump @google/genai from 2.0.1 to 2.9.0

Bumps [@google/genai](https://github.com/googleapis/js-genai) from 2.0.1 to 2.9.0.
- [Release notes](https://github.com/googleapis/js-genai/releases)
- [Changelog](https://github.com/googleapis/js-genai/blob/main/CHANGELOG.md)
- [Commits](googleapis/js-genai@v2.0.1...v2.9.0)

---
updated-dependencies:
- dependency-name: "@google/genai"
  dependency-version: 2.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]