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/aa50d6dffede91c8fdfcef94c71641a00214522a?narHash=sha256-SW/K9yfhNLNCDAl2ZC8ol0w8X%2BAwyLin0XOvnn50468%3D' (2025-10-01)
• Updated input 'hackage-nix':
    'github:input-output-hk/hackage.nix/d1a38ebcb53e02ef6dd7ccd4bf1e590534895926?narHash=sha256-xkBMfVgvQSRrUhaeV%2B05za9CdiISB8ByW8BPvKbg2%2B8%3D' (2025-10-01)
  → 'github:input-output-hk/hackage.nix/96f48e92b5ce03ba9c746ec91f1eb4063ba19996?narHash=sha256-jcGTKiC9U9QnPyP4tuum4A2ZNuTNeess0B%2B8GVyXGso%3D' (2025-10-05)

Author: github-actions[bot]