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/71cbaa8ebe4514ea5292f48018b54a083768bea8?narHash=sha256-iJ0g2vuGh2f9Y9USYdaZnhBK3zz4zAE0IKh3Li2HQSM%3D' (2025-08-06)
• Updated input 'hackage-nix':
    'github:input-output-hk/hackage.nix/358fd3bc4cf82ce548034b273f373948585d60a2?narHash=sha256-WjOAwwMElU567UlOs3Rimvbs2YbgcQFn%2B71sNsty038%3D' (2025-08-05)
  → 'github:input-output-hk/hackage.nix/82851a6a53a2b808b42ab367f2b30d170971bafc?narHash=sha256-89ZeHu3C92w8GYOpXo2CUpCvUiUTijb%2B0YaZqYzv3BQ%3D' (2025-08-10)

Author: github-actions[bot]