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/fe5f8c99284ca892efe46d91a9ccb00aa76f2525?narHash=sha256-LhTRY6kgvg5cGfoQ9FD2v15WucqO4C%2BVLMHa9JP/Zi4%3D' (2025-07-17)
• 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/3cfee82775854178bdd41d9bd569a78841dc0e28?narHash=sha256-oqV5EHOZ6z8XgI9joqHKeCsbVq6eo423d2pxRXyd1/k%3D' (2025-07-20)

Author: github-actions[bot]