chore(nix): Update dependencies.

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/71fb97f0d875fd4de4994dfb849f2c75e17eb6c3' (2023-06-01)
  → 'github:hercules-ci/flake-parts/8e8d955c22df93dbe24f19ea04f47a74adbdc5ec' (2023-07-04)
• Updated input 'flake-parts/nixpkgs-lib':
    'github:NixOS/nixpkgs/4f53efe34b3a8877ac923b9350c874e3dcd5dc0a?dir=lib' (2023-05-31)
  → 'github:NixOS/nixpkgs/4bc72cae107788bf3f24f30db2e2f685c9298dc9?dir=lib' (2023-06-29)
• Updated input 'hacknix':
    'github:hackworthltd/hacknix/d63a162941b7aceaef55ec9b26c8b94753dfe667' (2023-06-17)
  → 'github:hackworthltd/hacknix/46f7635744ee0a0c03410ea526abd888ee38ecb0' (2023-07-15)
• Updated input 'hacknix/flake-parts':
    'github:hercules-ci/flake-parts/71fb97f0d875fd4de4994dfb849f2c75e17eb6c3' (2023-06-01)
  → 'github:hercules-ci/flake-parts/8e8d955c22df93dbe24f19ea04f47a74adbdc5ec' (2023-07-04)
• Updated input 'hacknix/flake-parts/nixpkgs-lib':
    'github:NixOS/nixpkgs/4f53efe34b3a8877ac923b9350c874e3dcd5dc0a?dir=lib' (2023-05-31)
  → 'github:NixOS/nixpkgs/4bc72cae107788bf3f24f30db2e2f685c9298dc9?dir=lib' (2023-06-29)
• Updated input 'hacknix/nix-darwin':
    'github:LnL7/nix-darwin/7c16d31383a90e0e72ace0c35d2d66a18f90fb4f' (2023-06-09)
  → 'github:LnL7/nix-darwin/c806a73609e77f0c446fdad5d3ea6ca3b7ae6e5f' (2023-07-13)
• Updated input 'hacknix/nix-darwin/nixpkgs':
    'github:NixOS/nixpkgs/3a86856a13c88c8c64ea32082a851fefc79aa700' (2022-11-17)
  → 'path:/nix/store/22qgs3skscd9bmrxv9xv4q5d4wwm5ppx-source?lastModified=1687274257&narHash=sha256-TutzPriQcZ8FghDhEolnHcYU2oHIG5XWF%2B/SUBNnAOE%3D&rev=2c9ecd1f0400076a4d6b2193ad468ff0a7e7fdc5' (2023-06-20)
• Updated input 'hacknix/nixos-generators':
    'github:nix-community/nixos-generators/a54683aa7eff00ee5b33dec225525d0eb6ab02de' (2023-06-16)
  → 'github:nix-community/nixos-generators/9191c85aab6b1a7ad395c13d340f2aa0e3ddf552' (2023-07-07)
• Updated input 'hacknix/nixos-generators/nixlib':
    'github:nix-community/nixpkgs.lib/961e99baaaa57f5f7042fe7ce089a88786c839f4' (2023-06-04)
  → 'github:nix-community/nixpkgs.lib/a92befce80a487380ea5e92ae515fe33cebd3ac6' (2023-07-02)
• Updated input 'hacknix/nixpkgs':
    'github:NixOS/nixpkgs/95c729c030b3011c5c89107ac9fa30f7249135fe' (2023-06-15)
  → 'github:NixOS/nixpkgs/2047c642ce0f75307e8a0f2ec94715218c481184' (2023-07-14)
• Updated input 'hacknix/pre-commit-hooks-nix':
    'github:cachix/pre-commit-hooks.nix/5b6b54d3f722aa95cbf4ddbe35390a0af8c0015a' (2023-06-13)
  → 'github:cachix/pre-commit-hooks.nix/5e28316db471d1ac234beb70031b635437421dd6' (2023-07-14)
• Updated input 'pre-commit-hooks-nix':
    'github:cachix/pre-commit-hooks.nix/5b6b54d3f722aa95cbf4ddbe35390a0af8c0015a' (2023-06-13)
  → 'github:cachix/pre-commit-hooks.nix/5e28316db471d1ac234beb70031b635437421dd6' (2023-07-14)