Hack around buster-backports archival
Using an image based on oldoldstable is not ideal, but this is better than the build failing completely.
How to register an account on GitLab. To prevent spam, new accounts are locked until approved by an admin or the approver bot. You can also file an unlock request to expedite access.
Support: mw:GitLab, how to host a project on GitLab, #wikimedia-gitlab on libera.chat, #GitLab on Phabricator.
Using an image based on oldoldstable is not ideal, but this is better than the build failing completely.