Did you know that GitHub Actions now supports Environments including the ability to request approval from someone else on your team before deploying?
If you ever needed to customized your email alert settings see
https://docs.github.com/en/actions/reference/environments
https://docs.github.com/en/github/managing-subscriptions-and-notifications-on-github/setting-up-notifications/configuring-notifications#customizing-your-email-notifications