flake.lock: Update

Flake lock file updates:

• Updated input 'CHaP':
    'github:input-output-hk/cardano-haskell-packages/6d857b7864e15267825582b785a6b1ce71942c1d?narHash=sha256-8RwIGx4z0LELkL5d8Xg85/O5yqox6mHtusrNoIqSeCU%3D' (2024-12-11)
  → 'github:input-output-hk/cardano-haskell-packages/b7f0f0885cd6f507cc767263488f4a07ebdd79d1?narHash=sha256-2eKlS3k8Up/2oxDSBrw5aoXHFhBq%2BWV1HwjWwjetom4%3D' (2025-01-08)
• Updated input 'hackage-nix':
    'github:input-output-hk/hackage.nix/583f569545854160b6bc5606374bf5006a9f6929?narHash=sha256-rNpSFS/ziUQBPgo6iAbKgU00yRpeCngv215TW0D%2BkCo%3D' (2024-12-11)
  → 'github:input-output-hk/hackage.nix/84484b1201a91b6ee4e9bf3d12f1511f15a9c932?narHash=sha256-Gh/ERgW2VLrUeAs9h7O6ou0MVHs9Q/V2ZLGGJsfjFPk%3D' (2025-01-11)