chore(deps): Bump openai from 1.33.0 to 1.35.13 in /examples/functions (

#2793)

Bumps [openai](https://github.com/openai/openai-python) from 1.33.0 to 1.35.13.
- [Release notes](https://github.com/openai/openai-python/releases)
- [Changelog](https://github.com/openai/openai-python/blob/main/CHANGELOG.md)
- [Commits](openai/openai-python@v1.33.0...v1.35.13)

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

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

examples/functions/requirements.txt

@@ -1,2 +1,2 @@
 langchain==0.2.3
-openai==1.33.0
+openai==1.35.13