flake.lock: Update

Flake lock file updates:

• Updated input 'hackage-nix':
    'github:input-output-hk/hackage.nix/c425877a40ba71e4f0ed9742b8c18dc338c21809' (2024-10-13)
  → 'github:input-output-hk/hackage.nix/5aa0b7451e97a5050e01ded8155bee74b08f2ef9' (2024-10-20)
• Updated input 'haskell-nix':
    'github:input-output-hk/haskell.nix/0be961a0a239f5a860768cb348073c96f9c2f144' (2024-10-13)
  → 'github:input-output-hk/haskell.nix/7cbe87bb6dcce5bc00f8bcbb5ad382c6dd516bea' (2024-10-20)
• Updated input 'haskell-nix/stackage':
    'github:input-output-hk/stackage.nix/38e3ccb33364353514117c552b7362295ea5b02e' (2024-10-12)
  → 'github:input-output-hk/stackage.nix/df1d8f0960407551fea7af7af75a9c2f9e18de97' (2024-10-16)