flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2405.635367%2Brev-944b2aea7f0a2d7c79f72468106bc5510cbf5101/019213de-4759-79c6-b638-0878c1fd0179/source.tar.gz?narHash=sha256-NmcVhGElxDbmEWzgXsyAjlRhUus/nEqPC5So7BOJLUM%3D' (2024-09-20)
  → 'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2405.635650%2Brev-6e6b3dd395c3b1eb9be9f2d096383a8d05add030/01925c04-8129-7ccd-a959-41d8e10443ef/source.tar.gz?narHash=sha256-/uJcVXuBt%2BVFCPQIX%2B4YnYrHaubJSx4HoNsJVNRgANM%3D' (2024-10-04)