We should move the copypatrol Git repository from GitHub to Wikimedia's GitLab.
- Avoid issues like the recent one with GitHub Actions not working.
- Keep all our codebases together within Wikimedia.
- Avoid contributors having to give their data to external services.
- Better integration with Phabricator.
Steps to take:
- Create/import repo to https://gitlab.wikimedia.org/cloudvps-repos/copypatrol
- Set up CI
- Check all open PRs and move any that are still needed
- Update GH repo with a link to the new location
- Archive GitHub repo
- Update all documentation and other links