chore(deps): Bump openai from 1.45.1 to 1.47.1 in /examples/functions (#3645)

Bumps [openai](https://github.com/openai/openai-python) from 1.45.1 to 1.47.1.
- [Release notes](https://github.com/openai/openai-python/releases)
- [Changelog](https://github.com/openai/openai-python/blob/main/CHANGELOG.md)
- [Commits](https://github.com/openai/openai-python/compare/v1.45.1...v1.47.1)

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

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