flake.lock: Update

Flake lock file updates:

• Updated input 'CHaP':
    'github:input-output-hk/cardano-haskell-packages/550ea1a4574a8dcde7f8e100841afc163df1c38d?narHash=sha256-hb8r%2BrFgzlaYAl9HAv9/cT0I4OLVnQA/uk0UYpGcsy4%3D' (2025-05-16)
  → 'github:input-output-hk/cardano-haskell-packages/8d401eefedf9b1a8703594b3d33165fdb7ee8f69?narHash=sha256-7TP8sGtytiHNWdphUZ2j44oy/4tCEqq19BdE7nc1LB8%3D' (2025-07-30)
• Updated input 'hackage-nix':
    'github:input-output-hk/hackage.nix/fb544bbebfcf01fc5ccbe21b92788de8af41b18b?narHash=sha256-FZSVceUTII6Q7rYnP%2BRi8o9tX6zm0Xr189YdVFyhtWM%3D' (2025-07-01)
  → 'github:input-output-hk/hackage.nix/5e8e82f42258d49eae19fffdb5a11ab1cbfabb03?narHash=sha256-AO1D9kK/tBaCakTqneouDc5bFSHoa4jArYA1/Vxyc1c%3D' (2025-08-03)

Author: github-actions[bot]