Upgrade Rails to 7.0.8
What does this MR do and why?
This MR:
- Upgrades the Rails gem version to 7.0.8
- Removes patches that were merged upstream
- Changelog 7.0.7: https://github.com/rails/rails/releases/tag/v7.0.7
- Changelog 7.0.8: https://github.com/rails/rails/releases/tag/v7.0.8