chore(nix): Update dependencies.

Flake lock file updates:

• Updated input 'nixos-generators':
    'github:nix-community/nixos-generators/896f6589db5b25023b812bbb6c1f5d3a499b1132' (2024-01-24)
  → 'github:nix-community/nixos-generators/843e2f04c716092797ffa4ce14c446adce2f09ef' (2024-02-08)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/5ad9903c16126a7d949101687af0aa589b1d7d3d' (2024-01-31)
  → 'github:NixOS/nixpkgs/442d407992384ed9c0e6d352de75b69079904e4e' (2024-02-09)
• Updated input 'pre-commit-hooks-nix':
    'github:cachix/pre-commit-hooks.nix/7c54e08a689b53c8a1e5d70169f2ec9e2a68ffaf' (2024-01-28)
  → 'github:cachix/pre-commit-hooks.nix/0db2e67ee49910adfa13010e7f012149660af7f0' (2024-02-07)