Bump openai from 1.8.0 to 1.9.0

Bumps [openai](https://github.com/openai/openai-python) from 1.8.0 to 1.9.0.
- [Release notes](https://github.com/openai/openai-python/releases)
- [Changelog](https://github.com/openai/openai-python/blob/main/CHANGELOG.md)
- [Commits](openai/openai-python@v1.8.0...v1.9.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -2,7 +2,7 @@ beautifulsoup4==4.12.3
 colorama==0.4.6
 EbookLib==0.18
 gdown==4.7.3
-openai==1.8.0
+openai==1.9.0
 python-dotenv==1.0.1
 questionary==2.0.1
 tenacity==8.2.3