Bump openai from 4.104.0 to 5.12.2

Bumps [openai](https://github.com/openai/openai-node) from 4.104.0 to 5.12.2.
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v4.104.0...v5.12.2)

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 5.12.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]