At this point maybe it is time to self-host rather than to continue to tolerate this since it's guaranteed to goes down every month. [1]
Even open-source projects like RedoxOS, GNOME, KDE, ReactOS, etc are doing just fine without worrying about GitHub's unreliability as predicted years ago on not centralizing everything to GitHub. [2]
[0] https://news.ycombinator.com/item?id=35611739