flake.lock: Update

Flake lock file updates:

• Updated input 'CHaP':
    'github:input-output-hk/cardano-haskell-packages/adb95662bd219b60292c4c34b8c223d205eb00b0' (2023-09-02)
  → 'github:input-output-hk/cardano-haskell-packages/ce0c1ca6c0fa40b522d68733c7da9cbd5f7d9a88' (2025-07-09)
• Updated input 'hackageNix':
    'github:input-output-hk/hackage.nix/34cd9fe31d210f2ff041f490eaa4029f6b2812c4' (2023-08-28)
  → 'github:input-output-hk/hackage.nix/7b21300944fa3d573e10303d0891a0ea858ff4c4' (2025-07-13)

Author: github-actions[bot]