flake.lock: Update

Flake lock file updates:

• Updated input 'disko':
    'github:nix-community/disko/398acc470f7c2d68621db01900f053e6000129c4' (2024-06-07)
  → 'github:nix-community/disko/544a80a69d6e2da04e4df7ec8210a858de8c7533' (2024-07-01)
• Updated input 'nix-fast-build':
    'github:Mic92/nix-fast-build/cfff239d93716e92f6467f8953d8f8c12da1892a' (2024-05-15)
  → 'github:Mic92/nix-fast-build/030e586195c97424844965d2ce680140f6565c02' (2024-06-27)
• Updated input 'nix-fast-build/nixpkgs':
    'github:NixOS/nixpkgs/bcd44e224fd68ce7d269b4f44d24c2220fd821e7' (2024-05-01)
  → 'github:NixOS/nixpkgs/4c547b66635455ad061d4beecaf1805810dc0428' (2024-06-24)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/d4555e80d80d2fa77f0a44201ca299f9602492a0' (2024-06-03)
  → 'github:Mic92/sops-nix/a11224af8d824935f363928074b4717ca2e280db' (2024-07-01)
• Updated input 'sops-nix/nixpkgs-stable':
    'github:NixOS/nixpkgs/3b1b4895b2c5f9f5544d02132896aeb9ceea77bc' (2024-06-01)
  → 'github:NixOS/nixpkgs/4a1e673523344f6ccc84b37f4413ad74ea19a119' (2024-06-29)