flake.lock: Update

Flake lock file updates:

• Updated input 'disko':
    'github:nix-community/disko/a433c7995448989e697c9f913405df1a98122885' (2023-04-20)
  → 'github:nix-community/disko/8ab9e5609929379ab15f03fd3bdc1f85419e5a3a' (2023-04-24)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/543700e8140313dd59c5473e4b1156e8fc003011' (2023-04-20)
  → 'github:NixOS/nixpkgs/5d91a896449650d13fbba8c8abc65d1615c2b654' (2023-04-23)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/5698b06b0731a2c15ff8c2351644427f8ad33993' (2023-04-18)
  → 'github:Mic92/sops-nix/8a95e6f8cd160a05c2b560e66f702432a53b59ac' (2023-04-23)
• Updated input 'srvos':
    'github:numtide/srvos/de1e50a7691015bacca2852688049eee67f711f3' (2023-04-20)
  → 'github:numtide/srvos/3f73940f82e008e47f9181051785bfcdff9d3ad9' (2023-04-24)