Bump openai from 2.8.1 to 2.12.0

Bumps [openai](https://github.com/openai/openai-python) from 2.8.1 to 2.12.0.
- [Release notes](https://github.com/openai/openai-python/releases)
- [Changelog](https://github.com/openai/openai-python/blob/main/CHANGELOG.md)
- [Commits](openai/openai-python@v2.8.1...v2.12.0)

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 2.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
-openai==2.8.1
+openai==2.12.0
 numpy
 pandas
 azure-identity