flake.lock: Update

Flake lock file updates:

• Updated input 'flake-utils':
    'github:numtide/flake-utils/93a2b84fc4b70d9e089d029deacc3583435c2ed6' (2023-03-15)
  → 'github:numtide/flake-utils/f9e7cf818399d17d347f847525c5a5a8032e4e44' (2023-08-23)
• Added input 'flake-utils/systems':
    'github:nix-systems/default/da67096a3b9bf56a91d16901293e51ba5b49a27e' (2023-04-09)
• Updated input 'nixos-org-configurations':
    'github:NixOS/nixos-org-configurations/083c137b7ae19a1a8d6822fea7ca30aeeda72ac8' (2023-07-03)
  → 'github:NixOS/nixos-org-configurations/b6361c772490ee42c34290b0468585a573db2fc9' (2023-08-24)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/e3652e0735fbec227f342712f180f4f21f0594f2' (2023-03-30)
  → 'github:NixOS/nixpkgs/5690c4271f2998c304a45c91a0aeb8fb69feaea7' (2023-08-25)