Mmmh. git is perfect as it is. It does one thing and does it really well: version control. Exact bits that go in come out. And it reconciles different versions and handles transferring them to remotes.
The need for exactly this is not ever going away, and its ubiquity proves that Linus nailed something that is truly fundamental.
This is like saying we need a new alphabet because of AI. That is VC hype, even if it comes from a Github founder.