chore(nix): Update dependencies.

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/c9afaba3dfa4085dbd2ccb38dfade5141e33d9d4' (2023-10-03)
  → 'github:hercules-ci/flake-parts/88a2cd8166694ba0b6cb374700799cec53aef527' (2024-01-01)
• Updated input 'flake-parts/nixpkgs-lib':
    'github:NixOS/nixpkgs/f5892ddac112a1e9b3612c39af1b72987ee5783a?dir=lib' (2023-09-29)
  → 'github:NixOS/nixpkgs/b0d36bd0a420ecee3bc916c91886caca87c894e9?dir=lib' (2023-12-30)
• Updated input 'gitignore':
    'github:hercules-ci/gitignore.nix/9e21c80adf67ebcb077d75bd5e7d724d21eeafd6' (2023-09-07)
  → 'github:hercules-ci/gitignore.nix/43e1aa1308018f37118e34d3a9cb4f5e75dc11d5' (2023-12-29)
• Updated input 'hacknix':
    'github:hackworthltd/hacknix/d4ac93da22f1d83e2a264b63c6f5d615e21e46b7' (2023-10-06)
  → 'github:hackworthltd/hacknix/8976ed65ffec066c8f5f70a849de7d43b4087508' (2024-01-06)
• Updated input 'hacknix/flake-parts':
    'github:hercules-ci/flake-parts/c9afaba3dfa4085dbd2ccb38dfade5141e33d9d4' (2023-10-03)
  → 'github:hercules-ci/flake-parts/88a2cd8166694ba0b6cb374700799cec53aef527' (2024-01-01)
• Updated input 'hacknix/flake-parts/nixpkgs-lib':
    'github:NixOS/nixpkgs/f5892ddac112a1e9b3612c39af1b72987ee5783a?dir=lib' (2023-09-29)
  → 'github:NixOS/nixpkgs/b0d36bd0a420ecee3bc916c91886caca87c894e9?dir=lib' (2023-12-30)
• Updated input 'hacknix/gitignore-nix':
    'github:hercules-ci/gitignore.nix/9e21c80adf67ebcb077d75bd5e7d724d21eeafd6' (2023-09-07)
  → 'github:hercules-ci/gitignore.nix/43e1aa1308018f37118e34d3a9cb4f5e75dc11d5' (2023-12-29)
• Updated input 'hacknix/nix-darwin':
    'github:LnL7/nix-darwin/8b6ea26d5d2e8359d06278364f41fbc4b903b28a' (2023-10-03)
  → 'github:LnL7/nix-darwin/0dd382b70c351f528561f71a0a7df82c9d2be9a4' (2024-01-03)
• Updated input 'hacknix/nixos-generators':
    'github:nix-community/nixos-generators/150f38bd1e09e20987feacb1b0d5991357532fb5' (2023-09-30)
  → 'github:nix-community/nixos-generators/246219bc21b943c6f6812bb7744218ba0df08600' (2023-12-04)
• Updated input 'hacknix/nixpkgs':
    'github:NixOS/nixpkgs/a2eb207f45e4a14a1e3019d9e3863d1e208e2295' (2023-10-06)
  → 'github:NixOS/nixpkgs/63143ac2c9186be6d9da6035fa22620018c85932' (2024-01-02)
• Updated input 'hacknix/pre-commit-hooks-nix':
    'github:cachix/pre-commit-hooks.nix/66c352d33e0907239e4a69416334f64af2c685cc' (2023-10-05)
  → 'github:cachix/pre-commit-hooks.nix/9d3d7e18c6bc4473d7520200d4ddab12f8402d38' (2023-12-30)
• Updated input 'pre-commit-hooks-nix':
    'github:cachix/pre-commit-hooks.nix/42e1b6095ef80a51f79595d9951eb38e91c4e6ca' (2023-10-09)
  → 'github:cachix/pre-commit-hooks.nix/9d3d7e18c6bc4473d7520200d4ddab12f8402d38' (2023-12-30)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/0b2ffeb3ae1a7449a48a952f3e731cfa41eaf780' (2023-10-11)
  → 'github:numtide/treefmt-nix/e434da615ef74187ba003b529cc72f425f5d941e' (2024-01-02)