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

Bumps [openai](https://github.com/openai/openai-node) from 4.38.3 to 6.7.0.
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v4.38.3...v6.7.0)

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 6.7.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/traceloop-sdk/package.json

@@ -115,7 +115,7 @@
     "esbuild": "^0.25.7",
     "langchain": "^0.3.30",
     "llamaindex": "^0.11.19",
-    "openai": "4.38.3",
+    "openai": "6.8.0",
     "together-ai": "^0.20.0",
     "ts-mocha": "^11.1.0"
   }