Needs approval from an approver in each of these files:
- ~~[OWNERS](https://github.com/metal3-io/utility-images/blob/main/OWNERS)~~ [Rozzii]
Approvers can indicate their approval by writing `/approve` in a comment
Approvers can cancel approval by writing `/approve cancel` in a comment
Adds Slack notification for EST internal teams slack channel for jobs that run on merge. This is so a wider audience can more quickly detect failures.
Sadly, this is currently only EST internal hopefully if this works out well we can find a solution were all interested can partake