flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'path:/nix/store/s4jqyj35hii03rs7j5n6vn7gpgp6ja81-source?lastModified=1692447944&narHash=sha256-fkJGNjEmTPvqBs215EQU4r9ivecV5Qge5cF/QDLVn3U%3D&rev=d680ded26da5cf104dd2735a51e88d2d8f487b4d' (2023-08-19)
  → 'path:/nix/store/z7y28qzhk7driiwcw78k0mb24laknm0f-source?lastModified=1700390070&narHash=sha256-de9KYi8rSJpqvBfNwscWdalIJXPo8NjdIZcEJum1mH0%3D&rev=e4ad989506ec7d71f7302cc3067abd82730a4beb' (2023-11-19)

Reviewed-by: Aleix Roca Nonell <aleix.rocanonell@bsc.es>