flake.lock: Update

Flake lock file updates:

• Updated input 'crane':
    'https://api.flakehub.com/f/pinned/ipetkov/crane/0.22.0/019b5c0a-2426-7f76-9483-6c098deea0f1/source.tar.gz' (2025-12-26)
  → 'https://api.flakehub.com/f/pinned/ipetkov/crane/0.23.0/019bb818-93a1-7efd-a881-7420c5d6d4e6/source.tar.gz' (2026-01-13)
• Updated input 'nixpkgs':
    'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.921484%2Brev-fb7944c166a3b630f177938e478f0378e64ce108/019b84e0-82f8-7204-a1a2-bfd69a1af2b2/source.tar.gz' (2026-01-02)
  → 'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.940249%2Brev-00c21e4c93d963c50d4c0c89bfa84ed6e0694df2/019c2c37-21f9-727c-86c5-0523e601d163/source.tar.gz' (2026-02-04)

Author: github-actions[bot]