flake.inputs: automatic update

Flake lock file updates:

• Updated input 'agenix':
    'github:ryantm/agenix/de96bd907d5fbc3b14fc33ad37d1b9a3cb15edc6?narHash=sha256-boCXsjYVxDviyzoEyAk624600f3ZBo/DKtUdvMTpbGY%3D' (2024-07-09)
  → 'github:ryantm/agenix/3f1dae074a12feb7327b4bf43cbac0d124488bb7?narHash=sha256-ZeS51uJI30ehNkcZ4uKqT4ZDARPyqrHADSKAwv5vVCU%3D' (2024-07-30)
• Updated input 'nix-index-database':
    'github:Mic92/nix-index-database/c0ca47e8523b578464014961059999d8eddd4aae?narHash=sha256-x3FmT4QSyK28itMiR5zfYhUrG5nY%2B2dv%2BAIcKfmSp5A%3D' (2024-07-28)
  → 'github:Mic92/nix-index-database/97ca0a0fca0391de835f57e44f369a283e37890f?narHash=sha256-UQPgA5d8azLZuDHZMPmvDszhuKF1Ek89SrTRtqsQ4Ss%3D' (2024-08-04)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/8c50662509100d53229d4be607f1a3a31157fa12?narHash=sha256-2ShmEaFi0kJVOEEu5gmlykN5dwjWYWYUJmlRTvZQRpU%3D' (2024-07-27)
  → 'github:NixOS/nixpkgs/a633d89c6dc9a2a8aae11813a62d7c58b2c0cc51?narHash=sha256-IRiJA0NVAoyaZeKZluwfb2DoTpBAj%2BFLI0KfybBeDU0%3D' (2024-08-03)
• Updated input 'unstable':
    'github:NixOS/nixpkgs/038fb464fcfa79b4f08131b07f2d8c9a6bcc4160?narHash=sha256-Ul3rIdesWaiW56PS/Ak3UlJdkwBrD4UcagCmXZR9Z7Y%3D' (2024-07-28)
  → 'github:NixOS/nixpkgs/81610abc161d4021b29199aa464d6a1a521e0cc9?narHash=sha256-TcXjLVNd3VeH1qKPH335Tc4RbFDbZQX%2Bd7rqnDUoRaY%3D' (2024-08-02)