flake.lock: Update

Flake lock file updates:

• Updated input 'darwin':
    'github:LnL7/nix-darwin/a60ac02f9466f85f092e576fd8364dfc4406b5a6' (2024-10-14)
  → 'github:LnL7/nix-darwin/a001f44cfc47164839eb61c6b1e7f4288813f7e8' (2024-10-20)
• Updated input 'disko':
    'github:nix-community/disko/d7d57edb72e54891fa67a6f058a46b2bb405663b' (2024-10-16)
  → 'github:nix-community/disko/a6a3179ddf396dfc28a078e2f169354d0c137125' (2024-10-18)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/c0b1da36f7c34a7146501f684e9ebdf15d2bebf8' (2024-10-14)
  → 'github:NixOS/nixpkgs/4eb33fe664af7b41a4c446f87d20c9a0a6321fa3' (2024-10-17)
• Updated input 'nixpkgs-unstable':
    'github:nixos/nixpkgs/7881fbfd2e3ed1dfa315fca889b2cfd94be39337' (2024-10-15)
  → 'github:nixos/nixpkgs/ccc0c2126893dd20963580b6478d1a10a4512185' (2024-10-18)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/5307ba60125bb024d7e52d71d582eafd511f3fee' (2024-10-16)
  → 'github:numtide/treefmt-nix/d986489c1c757f6921a48c1439f19bfb9b8ecab5' (2024-10-18)