chore(deps): bump @ai-sdk/openai from 2.0.18 to 2.0.19

Bumps [@ai-sdk/openai](https://github.com/vercel/ai) from 2.0.18 to 2.0.19.
- [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-sdk/openai@2.0.18...@ai-sdk/openai@2.0.19)

---
updated-dependencies:
- dependency-name: "@ai-sdk/openai"
  dependency-version: 2.0.19
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -24,7 +24,7 @@
   "dependencies": {
     "@ai-sdk/anthropic": "^2.0.5",
     "@ai-sdk/google": "^2.0.8",
-    "@ai-sdk/openai": "^2.0.18",
+    "@ai-sdk/openai": "^2.0.19",
     "@anthropic-ai/sdk": "^0.60.0",
     "@clerk/nextjs": "^6.31.4",
     "@clerk/themes": "^2.4.3",