Bump the python-deps group with 3 updates

Bumps the python-deps group with 3 updates: [openai](https://github.com/openai/openai-python), [pyyaml](https://github.com/yaml/pyyaml) and [unstructured](https://github.com/Unstructured-IO/unstructured).


Updates `openai` from 1.38.0 to 1.40.3
- [Release notes](https://github.com/openai/openai-python/releases)
- [Changelog](https://github.com/openai/openai-python/blob/main/CHANGELOG.md)
- [Commits](openai/openai-python@v1.38.0...v1.40.3)

Updates `pyyaml` from 6.0.1 to 6.0.2
- [Release notes](https://github.com/yaml/pyyaml/releases)
- [Changelog](https://github.com/yaml/pyyaml/blob/main/CHANGES)
- [Commits](yaml/pyyaml@6.0.1...6.0.2)

Updates `unstructured` from 0.15.0 to 0.15.1
- [Release notes](https://github.com/Unstructured-IO/unstructured/releases)
- [Changelog](https://github.com/Unstructured-IO/unstructured/blob/main/CHANGELOG.md)
- [Commits](Unstructured-IO/unstructured@0.15.0...0.15.1)

---
updated-dependencies:
- dependency-name: openai
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python-deps
- dependency-name: pyyaml
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-deps
- dependency-name: unstructured
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-deps
...

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

requirements.txt

@@ -3,15 +3,15 @@ fastapi==0.112.0
 flake8==7.1.1
 langchain==0.2.12
 ollama==0.3.1
-openai==1.38.0
+openai==1.40.3
 pre-commit==3.8.0
 psutil==6.0.0
 pydantic==2.8.2
 PyMuPDF==1.24.9
 pytz==2024.1
-PyYAML==6.0.1
+PyYAML==6.0.2
 requests==2.32.3
 sentry-sdk[starlette,fastapi,openai]==2.12.0
-unstructured==0.15.0
+unstructured==0.15.1
 uvicorn==0.30.5
 weaviate-client==4.7.1