deps(example): Bump the dependencies group

Bumps the dependencies group in /examples/nextjs-14-openai with 2 updates: [ai](https://github.com/vercel/ai) and [openai](https://github.com/openai/openai-node).


Updates `ai` from 2.2.33 to 2.2.35
- [Release notes](https://github.com/vercel/ai/releases)
- [Commits](https://github.com/vercel/ai/compare/[email protected]@2.2.35)

Updates `openai` from 4.27.0 to 4.28.0
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v4.27.0...v4.28.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

examples/nextjs-14-openai/package.json

@@ -10,9 +10,9 @@
   },
   "dependencies": {
     "@arcjet/next": "file:../../arcjet-next",
-    "ai": "^2.2.33",
+    "ai": "^2.2.35",
     "next": "14.0.4",
-    "openai": "^4.27.0",
+    "openai": "^4.28.0",
     "openai-chat-tokens": "^0.2.8",
     "react": "^18",
     "react-dom": "^18"