flake.lock: Update (#509)

Flake lock file updates:

• Updated input 'CHaP':
    'github:input-output-hk/cardano-haskell-packages/ed79ec9a4f3314040a7ad665459df09bda5fbf6e' (2023-09-15)
  → 'github:input-output-hk/cardano-haskell-packages/9932690af3713ef034c928850252eb1b88450ee6' (2023-09-19)
• Updated input 'hackage-nix':
    'github:input-output-hk/hackage.nix/643f1c0424e5604b7676b5b48000ca1bc0c2d7b8' (2023-09-16)
  → 'github:input-output-hk/hackage.nix/4daa5cdf7132cbd164e66501e01a2b43ae3d114a' (2023-09-23)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Michael Peyton Jones <me@michaelpj.com>