The problem is only for ppl who linked from github.
Except your AdBlocker implement Fallback to gitlab, you stuck momentarily.
Well, it's DNS/Host Blocker, unlike Contents Filter, DNS/Host Blocker actually very rare to be updated. And when do Updated, it is not necessarily needed by you. I'm not talking about date/time header update, actual content updates. Some filters actually only change their date/time header, making our tools to update every day without reasons.