these 2 derivations will be built:
  /nix/store/95qrq8swzdy6f0118cvrwpwcvc9b2ns5-letta-code-src-with-lock.drv
  /nix/store/hqhsmzjymbks7ncf78haabxv8qiq98y0-letta-code-0.31.3.drv