deps(example): Bump the dependencies group across 1 directory with 3 updates

Bumps the dependencies group with 3 updates in the /examples/nextjs-14-openai directory: [ai](https://github.com/vercel/ai), [openai](https://github.com/openai/openai-node) and [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react).


Updates `ai` from 3.1.5 to 3.1.8
- [Release notes](https://github.com/vercel/ai/releases)
- [Commits](https://github.com/vercel/ai/compare/[email protected]@3.1.8)

Updates `openai` from 4.44.0 to 4.47.1
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v4.44.0...v4.47.1)

Updates `@types/react` from 18.3.1 to 18.3.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

---
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
- dependency-name: "@types/react"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

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

Author: dependabot[bot]

examples/nextjs-14-openai/package-lock.json

@@ -10,9 +10,9 @@
   },
   "dependencies": {
     "@arcjet/next": "file:../../arcjet-next",
-    "ai": "^3.1.5",
+    "ai": "^3.1.8",
     "next": "^14.2.3",
-    "openai": "^4.38.1",
+    "openai": "^4.47.1",
     "openai-chat-tokens": "^0.2.8",
     "react": "^18",
     "react-dom": "^18"