flake.lock: Update

Flake lock file updates:

• Updated input 'flake-utils':
    'github:numtide/flake-utils/93a2b84fc4b70d9e089d029deacc3583435c2ed6' (2023-03-15)
  → 'github:numtide/flake-utils/919d646de7be200f3bf08cb76ae1f09402b6f9b4' (2023-07-11)
• 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/f26d8b8596422b09e3f6a46494ef40cf2f8313c4' (2023-08-06)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/e3652e0735fbec227f342712f180f4f21f0594f2' (2023-03-30)
  → 'github:NixOS/nixpkgs/d680ded26da5cf104dd2735a51e88d2d8f487b4d' (2023-08-19)