deps: update flake.lock (#145)

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/3cbe716e2346710d6e1f7c559363d14e11c32a43?narHash=sha256-J/i5K6AAz/y5dBePHQOuzC7MbhyTOKsd/GLezSbEFiM%3D' (2025-10-16)
  → 'github:nixos/nixpkgs/02f2cb8e0feb4596d20cc52fda73ccee960e3538?narHash=sha256-tH3wHnOJms%2BU4k/rK2Nn1RfBrhffX92jLP/2VndSn0w%3D' (2025-10-24)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: mrcjkb