deps: update flake.lock

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/154bcb95ad51bc257c2ce4043a725de6ca700ef6?narHash=sha256-7pjpeQlZUNQ4eeVntytU3jkw9dFK3k1Htgk2iuXjaD8%3D' (2024-08-09)
  → 'github:nixos/nixpkgs/b69de56fac8c2b6f8fd27f2eca01dcda8e0a4221?narHash=sha256-f0SBJz1eZ2yOuKUr5CA9BHULGXVSn6miBuUWdTyhUhU%3D' (2024-10-10)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/c7012d0c18567c889b948781bc74a501e92275d1?narHash=sha256-qbhjc/NEGaDbyy0ucycubq4N3//gDFFH3DOmp1D3u1Q%3D' (2024-08-09)
  → 'github:cachix/pre-commit-hooks.nix/ff68f91754be6f3427e4986d7949e6273659be1d?narHash=sha256-WybK5E3hpGxtCYtBwpRj1E9JoiVxe%2B8kX83snTNaFHE%3D' (2024-10-13)