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/d0da4a4a6b2548405a9e151394ec9a539106e74f?narHash=sha256-aB46saAQxsJRoqbxLhnSzC5Sbk0TxcdKIrHjNCjSlqQ%3D' (2025-07-02)
• 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/a8ad27348bb5a412abd70129f8b94a8bb13e02d6?narHash=sha256-q%2BCETHGrEXTLJZXWny1DmGcSGQowiXNiebsmRUYhRZQ%3D' (2025-07-06)

Author: github-actions[bot]