chore(deps): bump langchain-openai from 0.3.6 to 0.3.7

Bumps [langchain-openai](https://github.com/langchain-ai/langchain) from 0.3.6 to 0.3.7.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-openai==0.3.6...langchain-openai==0.3.7)

---
updated-dependencies:
- dependency-name: langchain-openai
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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