Add a CI action to verify changes

[everettraven]

Goal: Verify changes in PRs and pushes

Acceptance Criteria:

• Makefile target verify is created to verify changes
  • For an example see: https://github.com/operator-framework/rukpak/blob/c9aec01cfe3ec8cfe2d59d2802096ff7ee1d5ffe/Makefile#L79-L80
• GitHub Action is created that uses make verify to verify changes