Add support for the new tooling and `tooling::*` / `feature::*` scoped labels in various Danger checks
What does this MR do?
This is a preparatory step before we deprecate and move away from the
backstage
label.
Next step will be removing references to ~backstage: #219751 (closed)
See gitlab-org/quality/team-tasks#488 for the overall plan.
Closes #222360 (closed).
Edited by 🤖 GitLab Bot 🤖