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/25868b1d259155d46b8c0089f12076f1c7f94cab?narHash=sha256-v5AlraKLH2Rgl3HRJb/DciXIkOlF5pD/RewHB6nDlrM%3D' (2025-06-20)
• Updated input 'hackage-nix':
    'github:input-output-hk/hackage.nix/4e439db2317da42c2dfa5a50b40bc23130ea8601?narHash=sha256-3XgqzEacca8r0sdsDJTo6fgOmtatWdbfbycjEX1rdlU%3D' (2025-06-06)
  → 'github:input-output-hk/hackage.nix/a781806e052e7a74298b11725942f8ac4088940d?narHash=sha256-32CiTnvgpf29t60E7KxpQ4aZ4Q/Bvi9CsbQ%2BjF2mDHg%3D' (2025-06-22)

Author: github-actions[bot]