What does this MR do?
Instrument Gitlab::Checks like
MatchingMergeRequest to have a better insight in what is happening, currently
Gitlab::GitAccess#change_access_check for example is not enough
Are there points in the code the reviewer needs to double check?
Why was this MR needed?
Screenshots (if relevant)
Does this MR meet the acceptance criteria?
CHANGELOG entry added [ ] Documentation created/updated [ ] API support added
[ ] Added for this feature/bug
All builds are passing
Conform by the merge request performance guides
Conform by the style guides
Branch has no merge conflicts with
master(if you do - rebase it please)
Squashed related commits together
What are the relevant issue numbers?
Relates #22053 (moved)