What does this MR do?

3.19.0 (2021-12-17)

Features

datastore: add not null constraint to event column on GC queues (e489c0d)
gc: add event label to online GC run metrics (552b83f)

Related issues

Related to gitlab-org/container-registry#536 (closed).

Author Check-list

Please read the Contributing document and once you do, complete the following:

Assign to the correct reviewer per the contributing document
Apply the correct metadata per the contributing document
Link to related MRs for applying the changes on other environments
Link to related Chef changes
If necessary link to a Criticality 4 Change Request issue

Reviewer Check-list

Reviewed the diff jobs to confirm changes are as expected
No changes shown in the diffs not associated with this MR - This may require a rebase or further investigation

Applier Check-list

Make sure there is no ongoing deployment for the affected envs before merging (see #announcements slack channel)

Edited Dec 20, 2021 by John Skarbek