Bump ai from 3.1.30 to 3.3.9

Bumps [ai](https://github.com/vercel/ai) from 3.1.30 to 3.3.9.
- [Release notes](https://github.com/vercel/ai/releases)
- [Commits](https://github.com/vercel/ai/compare/ai@3.1.30...ai@3.3.9)

---
updated-dependencies:
- dependency-name: ai
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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