Updated documentation as per latest missing features on about.gitlab.com

See merge request gitlab-org/gitlab-ee!5794

Deprecate corresponding dash versions created-by-me and assigned-to-me

It was using name, instead of username. Fixes documentation as well

Closes #46454

lulalala authored 6 years ago and Mark Chao committed 6 years ago

Old behavior of creating TODO when
“Merge When Pipeline Succeeds” service fails, is generalized to:

Create a TODO whenever MR became unmergeable
(and similar to notification, MR author and merge_user are both applicable)

lulalala authored 6 years ago and Mark Chao committed 6 years ago

Display MR unmergeable reasons

It mentions that explicitly defining dependencies in sources is
preferred over defining such dependencies only in spec files.