flake.lock: Update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/f2f7418ce0ab4a5309a4596161d154cfc877af66' (2025-01-01)
  → 'github:hercules-ci/flake-parts/b905f6fc23a9051a6e1b741e1438dbfc0634c6de' (2025-01-06)
• Updated input 'nix-darwin':
    'github:lnl7/nix-darwin/3feaf376d75d3d58ebf7e9a4f584d00628548ad9' (2025-01-04)
  → 'github:lnl7/nix-darwin/57733bd1dc81900e13438e5b4439239f1b29db0e' (2025-01-08)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/29806abab803e498df96d82dd6f34b32eb8dd2c8' (2025-01-03)
  → 'github:numtide/treefmt-nix/13c913f5deb3a5c08bb810efd89dc8cb24dd968b' (2025-01-06)