flake.lock: Update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/9227223f6d922fee3c7b190b2cc238a99527bbb7?narHash=sha256-pQMhCCHyQGRzdfAkdJ4cIWiw%2BJNuWsTX7f0ZYSyz0VY%3D' (2024-07-03)
  → 'github:hercules-ci/flake-parts/8471fe90ad337a8074e957b69ca4d0089218391d?narHash=sha256-XOQkdLafnb/p9ij77byFQjDf5m5QYl9b2REiVClC%2Bx4%3D' (2024-08-01)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/aa247c0c90ecf4ae7a032c54fdc21b91ca274062?narHash=sha256-GaliJqfFwyYxReFywxAa8orCO%2BEnDq2NK2F%2B5aSc8vo%3D' (2024-07-14)
  → 'github:NixOS/nixpkgs/36a9aeaaa17a2d4348498275f9fe530cd4f9e519?narHash=sha256-z4nw9HxkaXEn%2B5OT8ljLVL2oataHvAzUQ1LEi8Fp%2BSY%3D' (2024-08-21)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/b92afa1501ac73f1d745526adc4f89b527595f14?narHash=sha256-VZK73b5hG5bSeAn97TTcnPjXUXtV7j/AtS4KN8ggCS0%3D' (2024-07-14)
  → 'github:numtide/treefmt-nix/1d07739554fdc4f8481068f1b11d6ab4c1a4167a?narHash=sha256-rhis3qNuGmJmYC/okT7Dkc4M8CeUuRCSvW6kC2f3hBc%3D' (2024-08-16)