This prevents a MITM attack where attacker could
still access Git repository if any jobs were
running long enough.

This prevents a MITM attack where attacker could
still access Git repository if any jobs were
running long enough.

https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/32554 removed the
support_bot column, but nodes were not told to ignore this column.
As a result, after the post-deploy migration ran, nodes attempted
to use this column, causing 500 errors.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/67295