flake.lock: Update

Flake lock file updates:

• Updated input 'flake-utils':
    'github:numtide/flake-utils/93a2b84fc4b70d9e089d029deacc3583435c2ed6' (2023-03-15)
  → 'github:numtide/flake-utils/b1d9ab70662946ef0850d488da1c9019f3a9752a' (2024-03-11)
• Added input 'flake-utils/systems':
    'github:nix-systems/default/da67096a3b9bf56a91d16901293e51ba5b49a27e' (2023-04-09)
• Updated input 'nixos-infra':
    'github:NixOS/infra/1261d183ad0c1cf036853087be306e7c792e0cdd' (2024-03-02)
  → 'github:NixOS/infra/85c5b389b0c1ef9c2989ce5235c161f8fbdba988' (2024-04-20)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/e3652e0735fbec227f342712f180f4f21f0594f2' (2023-03-30)
  → 'github:NixOS/nixpkgs/5c24cf2f0a12ad855f444c30b2421d044120c66f' (2024-04-19)