Merge branch 'lohrc-master-patch-40660' into 'master'

Move deprecation announcement to REST API v5 deprecation announcements

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/118171



Merged-by: Manoj M J <mmj@gitlab.com>
Approved-by: Manoj M J <mmj@gitlab.com>
Reviewed-by: Manoj M J <mmj@gitlab.com>
Co-authored-by: Lorena Ciutacu <lciutacu@gitlab.com>
Co-authored-by: Christina Lohr <clohr@gitlab.com>