flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/f771eb401a46846c1aebd20552521b233dd7e18b?narHash=sha256-ITSpPDwvLBZBnPRS2bUcHY3gZSwis/uTe255QgMtTLA%3D' (2025-04-24)
  → 'github:NixOS/nixpkgs/979daf34c8cacebcd917d540070b52a3c2b9b16e?narHash=sha256-uKCfuDs7ZM3QpCE/jnfubTg459CnKnJG/LwqEVEdEiw%3D' (2025-05-04)
• Updated input 'nixpkgs-unstable':
    'github:NixOS/nixpkgs/507b63021ada5fee621b6ca371c4fca9ca46f52c?narHash=sha256-jhZDfXVKdD7TSEGgzFJQvEEZ2K65UMiqW5YJ2aIqxMA%3D' (2025-04-23)
  → 'github:NixOS/nixpkgs/f21e4546e3ede7ae34d12a84602a22246b31f7e0?narHash=sha256-thYTdWqCRipwPRxWiTiH1vusLuAy0okjOyzRx4hLWh4%3D' (2025-05-03)
• Updated input 'typst-dev':
    'github:typst/typst/3e6691a93bd8c2947bd22e3c7344c2fab7d1241f?narHash=sha256-ldymLyI3qFUUk26f2x5jkcc9hPnuXJKXxmJ0GoPvxbk%3D' (2025-04-18)
  → 'github:typst/typst/14241ec1aae43ce3bff96411f62af76a01c7f709?narHash=sha256-NVm1xT8jNevY7v30SGLoc%2Bwmqr4qdtRA80254NhEhsk%3D' (2025-05-01)
• Updated input 'typst-packages':
    'github:typst/packages/482d02484f3d58799b5f1087593d544c971c97aa?narHash=sha256-1XmD/yOiWHrRFDUfHyZ2kcywkGjQfoEWRaFU339P6p4%3D' (2025-04-25)
  → 'github:typst/packages/2973e12a968f4f2e07a9bd4aeacfb9bfd24f24a2?narHash=sha256-pmS7DOoAk1hHKFI16mGjwZ8F7kxDG/z8srzSCJtTlYQ%3D' (2025-05-04)

Author: github-actions[bot]