Expose {closed,merged}_{at,by} in merge requests API index
What does this MR do?
Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/52031
closed_{at,by}
are already exposed on the issues API index, and it makes sense to do the same for MRs, for both closed_
and merged_
.
Does this MR meet the acceptance criteria?
-
Changelog entry added, if necessary -
Documentation created/updated -
Tests added for this feature/bug -
Conforms to the code review guidelines -
Conforms to the merge request performance guidelines -
Conforms to the style guides -
Conforms to the database guides