Bump ai from 7.0.29 to 7.0.30 in /node/vercel-ai (#323)

Bumps [ai](https://github.com/vercel/ai/tree/HEAD/packages/ai) from 7.0.29 to 7.0.30.
- [Release notes](https://github.com/vercel/ai/releases)
- [Changelog](https://github.com/vercel/ai/blob/main/packages/ai/CHANGELOG.md)
- [Commits](https://github.com/vercel/ai/commits/ai@7.0.30/packages/ai)

---
updated-dependencies:
- dependency-name: ai
  dependency-version: 7.0.30
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

node/vercel-ai/package.json

@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "@agent-assembly/sdk": "0.0.1-rc.6",
-    "ai": "^7.0.29",
+    "ai": "^7.0.30",
     "zod": "^4.4.3"
   },
   "devDependencies": {