The sound distributed version control system

Remove dependency on `num_cpus`

Now that std::thread::available_parallelism is stable, prefer that instead.

Created by  finchie  on July 12, 2023
DDJO7X2P2BAJSXPOE6ODKAJM7GRWKPT36WWTUZ373ZWQRYU4CFIAC
Dependencies
In channels
main
Change contents