We are working on rebuilding #gitlab 16.6.x on #debian #bookworm.
It is a good way to start contributing to debian as rebuilding is usually very simple.
I'd be happy to help if you are interested to join the effort.
We have to do this once in a month or two months usually.
This is the list of packages we need to rebuild.
https://storm.debian.net/grain/zgriFDoyuAzzWBTodnaD6Z
and this is the list of steps we usually need https://salsa.debian.org/ruby-team/gitlab/-/wikis/bookworm-backports
You can also contribute by testing the gitlab packages.