chore(deps): bump ai from 4.3.19 to 5.0.81 in /packages/sample-app

Bumps [ai](https://github.com/vercel/ai) from 4.3.19 to 5.0.81.
- [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@4.3.19...ai@5.0.81)

---
updated-dependencies:
- dependency-name: ai
  dependency-version: 5.0.81
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/sample-app/package.json

@@ -64,7 +64,7 @@
     "@traceloop/node-server-sdk": "workspace:*",
     "@traceloop/instrumentation-langchain": "workspace:*",
     "@types/jimp": "^0.2.28",
-    "ai": "^4.3.19",
+    "ai": "^5.0.81",
     "cheerio": "^1.1.0",
     "chromadb": "^3.0.9",
     "cohere-ai": "^7.17.1",