Support for xxh3-64

[vivadavid]

Hi,

I wanted to know if support for xxh3-64 could be added. Thanks!

[o-data]

Would be nice. I see that blake3 was added, which I read speed is quite fast too.

For reference here is xxh3 or xxhash:
https://xxhash.com/
https://github.com/Cyan4973/xxHash/