Why can't it be integrated with Gitlab? And if some old one is hardcoded to use Bugzilla, there can be automatic import to Gitlab as well. I.e. Bugzilla can run

Why can't it be integrated with Gitlab? And if some old one is hardcoded to use Bugzilla, there can be automatic import to Gitlab as well. I.e. Bugzilla can run for those automatic reports, but not for anything else.