build(deps): Bump ai from 5.0.25 to 6.0.30

Bumps [ai](https://github.com/vercel/ai) from 5.0.25 to 6.0.30.
- [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@5.0.25...ai@6.0.30)

---
updated-dependencies:
- dependency-name: ai
  dependency-version: 6.0.30
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

apps/playground-web/package.json

@@ -21,7 +21,7 @@
     "@tanstack/react-query": "5.81.5",
     "@thirdweb-dev/ai-sdk-provider": "workspace:*",
     "@workspace/ui": "workspace:*",
-    "ai": "^5.0.25",
+    "ai": "^6.0.30",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "date-fns": "4.1.0",