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/d37f1bb54e58507c41fbdc946f951df2db2f1f72?narHash=sha256-5vmSiw2m%2Brpng3KueKDLluUWj1iqLHXYCCVQzFbuK4g%3D' (2025-07-23)
• 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/090b8b7dde65c65af8dfe144c39f78d377f9e28f?narHash=sha256-mysFl691ktNUa0yBd%2B2wkZLizl1ek9LB5n%2BtTE9n8y8%3D' (2025-07-27)

Author: github-actions[bot]