flake.lock: Update

Flake lock file updates:

• Updated input 'CHaP':
    'github:intersectmbo/cardano-haskell-packages/14dfcdcbc66bbb07e00c048210c4002a4dbbfe90?narHash=sha256-t4wX4FOTmylk%2BmRjpJQllF15ntSXBwyXZfU8qLBIS9s%3D' (2025-06-03)
  → 'github:intersectmbo/cardano-haskell-packages/25868b1d259155d46b8c0089f12076f1c7f94cab?narHash=sha256-v5AlraKLH2Rgl3HRJb/DciXIkOlF5pD/RewHB6nDlrM%3D' (2025-06-20)
• Updated input 'hackageNix':
    'github:input-output-hk/hackage.nix/4c98778277c642e326b3cb7c2c9cbb9163b9ffbd?narHash=sha256-dk/70Cmjx8fGSURcAHQnowETeAOElzDxn0wH/P4DUWA%3D' (2025-04-22)
  → 'github:input-output-hk/hackage.nix/0586430d1cc5ba0032afc5ba1cf20f2a8be5f4c8?narHash=sha256-fXb08SUaj3ffmABlBthoVwMgexkp6cpWSsOlYTF1nEo%3D' (2025-06-21)

Author: github-actions[bot]