deps(example): bump the dependencies group across 1 directory with 2 …

…updates

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


Updates `ai` from 3.2.40 to 3.2.45
- [Release notes](https://github.com/vercel/ai/releases)
- [Commits](https://github.com/vercel/ai/compare/[email protected]@3.2.45)

Updates `openai` from 4.53.2 to 4.54.0
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v4.53.2...v4.54.0)

---
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": "^3.2.40",
+    "ai": "^3.2.45",
     "next": "^14.2.5",
-    "openai": "^4.53.2",
+    "openai": "^4.54.0",
     "openai-chat-tokens": "^0.2.8",
     "react": "^18",
     "react-dom": "^18"