Bump openai from 1.3.8 to 1.5.0

Bumps [openai](https://github.com/openai/openai-python) from 1.3.8 to 1.5.0.
- [Release notes](https://github.com/openai/openai-python/releases)
- [Changelog](https://github.com/openai/openai-python/blob/main/CHANGELOG.md)
- [Commits](openai/openai-python@v1.3.8...v1.5.0)

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

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

requirements.txt

@@ -1,5 +1,5 @@
 discord.py==2.3.2
-openai==1.3.8
+openai==1.5.0
 websockets==12.0
 
 pytest==7.4.3