chore(deps-dev): bump openai in /packages/traceloop-sdk

Bumps [openai](https://github.com/openai/openai-node) from 4.38.3 to 5.12.2.
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v4.38.3...v5.12.2)

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 5.12.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/traceloop-sdk/package.json

@@ -90,7 +90,7 @@
     "esbuild": "^0.25.7",
     "langchain": "^0.3.30",
     "llamaindex": "^0.11.19",
-    "openai": "4.38.3",
+    "openai": "5.12.2",
     "together-ai": "^0.20.0",
     "ts-mocha": "^11.1.0"
   }