v0.12.1

✏️ Suggested commit message

🔧 `copier`: update package template to v0.12.1

Mainly fixes an issue with the CI running twice for PRs. For more details, see:

https://github.com/mbercx/python-copier/releases/tag/v0.12.1

🐛 Bug fixes

• Only run CI for push to main

Full Changelog: v0.12.0...v0.12.1