Bump Container Registry to v3.31.0-gitlab

What does this MR do?

3.31.0 (2022-03-01)

Bug Fixes

• enforce single access record for import route auth tokens (c476307)
• use unique value for /gitlab/v1 API route names on metrics (8e6550a)
• handlers: return a proper error code for invalid import query value (caabf19)

Features

• add support for custom oras media types (625f7a3)
• migration: use Seperate Context for Import Notifications (62bf886)
• implement import GET route (d67ba80)

3.30.0 (2022-02-23)

Features

• handlers: use phase 2 code routing for API requests (3e3b9c3)

3.29.0 (2022-02-22)

Features

• handlers: rename pre parameter on import route (4540965)
• serve requests for all new repositories using the new code path (e4a1472)

Related issues

Related to container-registry#610 (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