chore(nix): Update dependencies.

Flake lock file updates:

• Updated input 'hacknix':
    'github:hackworthltd/hacknix/46f7635744ee0a0c03410ea526abd888ee38ecb0' (2023-07-15)
  → 'github:hackworthltd/hacknix/b559fdb57bec2c75e6298d527c9e4f80109ee232' (2023-07-22)
• Updated input 'hacknix/nix-darwin':
    'github:LnL7/nix-darwin/c806a73609e77f0c446fdad5d3ea6ca3b7ae6e5f' (2023-07-13)
  → 'github:LnL7/nix-darwin/531c3de7eccf95155828e0cd9f18c25e7f937777' (2023-07-20)
• Updated input 'hacknix/nixos-generators':
    'github:nix-community/nixos-generators/9191c85aab6b1a7ad395c13d340f2aa0e3ddf552' (2023-07-07)
  → 'github:nix-community/nixos-generators/11c98929963a95ad3830960a9216d00e2f792502' (2023-07-17)
• Updated input 'hacknix/nixos-generators/nixlib':
    'github:nix-community/nixpkgs.lib/a92befce80a487380ea5e92ae515fe33cebd3ac6' (2023-07-02)
  → 'github:nix-community/nixpkgs.lib/02fea408f27186f139153e1ae88f8ab2abd9c22c' (2023-07-16)
• Updated input 'hacknix/nixpkgs':
    'github:NixOS/nixpkgs/2047c642ce0f75307e8a0f2ec94715218c481184' (2023-07-14)
  → 'github:NixOS/nixpkgs/e43e2448161c0a2c4928abec4e16eae1516571bc' (2023-07-21)
• Updated input 'hacknix/pre-commit-hooks-nix':
    'github:cachix/pre-commit-hooks.nix/5e28316db471d1ac234beb70031b635437421dd6' (2023-07-14)
  → 'github:cachix/pre-commit-hooks.nix/eb433bff05b285258be76513add6f6c57b441775' (2023-07-18)