flake.lock: Update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/8c9fa2545007b49a5db5f650ae91f227672c3877' (2023-11-01)
  → 'github:hercules-ci/flake-parts/88a2cd8166694ba0b6cb374700799cec53aef527' (2024-01-01)
• Updated input 'flake-parts/nixpkgs-lib':
    'github:NixOS/nixpkgs/0cbe9f69c234a7700596e943bfae7ef27a31b735?dir=lib' (2023-10-29)
  → 'github:NixOS/nixpkgs/b0d36bd0a420ecee3bc916c91886caca87c894e9?dir=lib' (2023-12-30)
• Updated input 'haskell-flake':
    'github:srid/haskell-flake/e1f6540334987310f47d02f7c89a16e3e1343e33' (2023-11-22)
  → 'github:srid/haskell-flake/e8ff18d1352bdfb0240fb721e7dbe2dbab2ec3e8' (2024-01-04)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/51a01a7e5515b469886c120e38db325c96694c2f' (2023-11-21)
  → 'github:nixos/nixpkgs/24fe8bb4f552ad3926274d29e083b79d84707da6' (2024-01-07)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/e82f32aa7f06bbbd56d7b12186d555223dc399d1' (2023-11-12)
  → 'github:numtide/treefmt-nix/04f25d7bec9fb29d2c3bacaa48a3304840000d36' (2024-01-07)