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/48a53f17a3b46390586e130705b853f0d73dbf5c?narHash=sha256-bsyrGouyAlRkApXqnlXnJA/cNGeLo5HW3dDVqhJH17I%3D' (2025-06-27)
• Updated input 'hackage-nix':
    'github:input-output-hk/hackage.nix/4e439db2317da42c2dfa5a50b40bc23130ea8601?narHash=sha256-3XgqzEacca8r0sdsDJTo6fgOmtatWdbfbycjEX1rdlU%3D' (2025-06-06)
  → 'github:input-output-hk/hackage.nix/cffd7b4b1dcd6d2902c21af90d05a8a4b215f6f6?narHash=sha256-xxVNDZYJm7xo6BJDViCFwmhkx9oWCoJ4i5Ig3AVyhko%3D' (2025-06-29)

Author: github-actions[bot]