Bump Container Registry to v3.21.0-gitlab

What does this MR do?

3.21.0 (2022-01-06)

Bug Fixes

• correct typo cloudfront updatefrenquency (dddf7aa)
• handle missing foreign layers gracefully (ddb578a)

Features

• handlers: add gitlab v1 API base route (6efb384)

3.20.0 (2021-12-30)

Bug Fixes

• datastore: check for blob access before importing layer (84cf639)
• datastore: skip caching of large configuration payloads (748dbaa)
• remove temporary log entries for "finding repository by path" queries (090e34c)

Features

• add Google CDN support (612e861)
• handlers/configuration: enable manifest payload size limit (db18ba1)

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)

3.18.1 (2021-12-10)

Bug Fixes

• revert enable PostgreSQL pageinspect extension (2c2825c)

3.18.0 (2021-12-09)

Bug Fixes

• datastore: do not panic if database credentials are wrong (cfc51e7)

Features

• datastore: calculate deduplicated repository size (#486) (86d68c1)
• datastore: enable PostgreSQL pageinspect extension (74f6521)
• datastore: extend support for Helm Charts media types (ff2fd80)
• gc: add dangling and event labels to online GC run metrics (738cf24)
• gc: log creation timestamp and event of GC tasks (e0133c3)

3.17.0 (2021-11-22)

Bug Fixes

• handlers: disable upload purging if read-only mode is enabled (#169) (6f24d30)

Features

• gc: track event that led to creation of an online GC blob review task (1354996)

3.16.0 (2021-11-18)

Features

• gc: record event type for manifest tasks queued due to a tag delete or switch (e0d918a)
• gc: record event type for manifest tasks queued due to list delete (68828ea)

3.15.0 (2021-11-16)

Features

• gc: improve logging for artifact deletions (4d77d47)
• gc: record event type for manifest tasks queued due to an upload (1b2a534)
• handlers: temporarily log details of "find repository by path" queries (8a3fcca)
• storage: add Prometheus histogram metric for new blob uploads (8a9c4a0)

Related issues

container-registry#550 (closed)

Checklist

See Definition of done.

For anything in this list which will not be completed, please provide a reason in the MR discussion

Required

• Merge Request Title, and Description are up to date, accurate, and descriptive
• MR targeting the appropriate branch
• MR has a green pipeline on GitLab.com
• Pipeline is green on dev.gitlab.org if the change is touching anything besides documentation or internal cookbooks
• trigger-package has a green pipeline running against latest commit

Expected (please provide an explanation if not completing)

• Test plan indicating conditions for success has been posted and passes
• Documentation created/updated
• Tests added
• Integration tests added to GitLab QA
• Equivalent MR/issue for the GitLab Chart opened