Bump transformers from 4.31.0 to 4.32.1

Bumps [transformers](https://github.com/huggingface/transformers) from 4.31.0 to 4.32.1.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.31.0...v4.32.1)

---
updated-dependencies:
- dependency-name: transformers
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -2,6 +2,6 @@ fastapi==0.101.1
 uvicorn==0.23.2
 sse-starlette==1.6.5
 langchain==0.0.270
-transformers==4.31.0
+transformers==4.32.1
 google-cloud-aiplatform==1.31.0
 google-cloud-discoveryengine==0.10.0