Move merge request routes under /-/ scope
What does this MR do?
Moves all merge request routes under /-/
scope.
Second attempt for !21126 (merged) but with #118849 (closed) in mind
Does this MR meet the acceptance criteria?
Conformity
-
Changelog entry -
Documentation (if required) -
Code review guidelines -
Merge request performance guidelines -
Style guides -
Database guides -
Separation of EE specific content
Availability and Testing
Edited by Dmytro Zaporozhets (DZ)