Bump ai in /demo-web in the npm_and_yarn group across 1 directory

Bumps the npm_and_yarn group with 1 update in the /demo-web directory: [ai](https://github.com/vercel/ai).


Updates `ai` from 3.4.33 to 5.0.52
- [Release notes](https://github.com/vercel/ai/releases)
- [Changelog](https://github.com/vercel/ai/blob/main/CHANGELOG.md)
- [Commits](https://github.com/vercel/ai/compare/ai@3.4.33...ai@5.0.52)

---
updated-dependencies:
- dependency-name: ai
  dependency-version: 5.0.52
  dependency-type: direct:production
  dependency-group: npm_and_yarn
...

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Author: dependabot[bot]