Bump langchain-openai from 0.3.31 to 0.3.32 (#5233)

Bumps [langchain-openai](https://github.com/langchain-ai/langchain) from 0.3.31 to 0.3.32.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-openai==0.3.31...langchain-openai==0.3.32)

---
updated-dependencies:
- dependency-name: langchain-openai
  dependency-version: 0.3.32
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -7,7 +7,7 @@ langchain-anthropic==0.3.19
 langchain-community==0.3.27
 langchain-google-genai==2.1.10
 langchain-mistralai==0.2.11
-langchain-openai==0.3.31
+langchain-openai==0.3.32
 libmozdata==0.2.11
 llama-cpp-python==0.2.90
 lmdb==1.7.3