flake.lock: Update (#1709)

Flake lock file updates:

• Updated input 'nixpkgs':
    'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.892896%2Brev-9da7f1cf7f8a6e2a7cb3001b048546c92a8258b4/019a7741-1258-7808-8a20-6cf62c2d1dec/source.tar.gz?narHash=sha256-SlybxLZ1/e4T2lb1czEtWVzDCVSTvk9WLwGhmxFmBxI%3D' (2025-11-11)
  → 'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.895122%2Brev-c5ae371f1a6a7fd27823bc500d9390b38c05fa55/019a8033-d30e-74f8-b032-9a8d8b235b89/source.tar.gz?narHash=sha256-4PqRErxfe%2B2toFJFgcRKZ0UI9NSIOJa%2B7RXVtBhy4KE%3D' (2025-11-12)

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

Author: github-actions[bot]