flake.lock: Update

Flake lock file updates:

• Updated input 'nix-darwin':
    'github:LnL7/nix-darwin/eac4f25028c1975a939c8f8fba95c12f8a25e01c' (2024-05-21)
  → 'github:LnL7/nix-darwin/0bea8222f6e83247dd13b055d83e64bce02ee532' (2024-05-24)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/a8695cbd09a7ecf3376bd62c798b9864d20f86ee' (2024-05-20)
  → 'github:NixOS/nixpkgs/46397778ef1f73414b03ed553a3368f0e7e33c2f' (2024-05-22)
• Updated input 'nixpkgs-darwin':
    'github:NixOS/nixpkgs/8fcbc5106945623794244cae1b4add3e3469a0db' (2024-05-21)
  → 'github:NixOS/nixpkgs/bea35f40af16d5d5697a1733b91958596f0fad94' (2024-05-23)
• Updated input 'nixpkgs-unstable':
    'github:NixOS/nixpkgs/e381a1288138aceda0ac63db32c7be545b446921' (2024-05-21)
  → 'github:NixOS/nixpkgs/3305b2b25e4ae4baee872346eae133cf6f611783' (2024-05-23)