Python Upgrade 3.11

[jmakowski1123]

This ticket redirects to all relevant documentation on the Python upgrade.

### Tasks
- [ ] https://github.com/openedx/public-engineering/issues/233
- [ ] https://github.com/openedx/public-engineering/issues/234

[github-actions]

Thanks for your submission, @openedx/open-edx-project-managers will review shortly.

[sarina]

Closing as this is marked "Shipped" on the PR board 🎉