There isn't a country in the world which does this. But the details are also not the main point, it's how extremely restricted and controlled simple access to information or forums of free expression is for people in China. Tencent has party officials working within the company. This isn't a regular business as Westerners might imagine it, it's an extended part of the CCP just like any other large corporation under Xi.
Again, people are saying it's no big deal but why would GitHub help them at all? It's not a good cause.