flake.lock: Update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/c621e8422220273271f52058f618c94e405bb0f5?narHash=sha256-hIshGgKZCgWh6AYJpJmRgFdR3WUbkY04o82X05xqQiY%3D' (2025-04-01)
  → 'github:hercules-ci/flake-parts/77826244401ea9de6e3bac47c2db46005e1f30b5?narHash=sha256-Tyw1RjYEsp5scoigs1384gIg6e0GoBVjms4aXFfRssQ%3D' (2025-07-01)
• Updated input 'flake-parts/nixpkgs-lib':
    'github:nix-community/nixpkgs.lib/e4822aea2a6d1cdd36653c134cacfd64c97ff4fa?narHash=sha256-b1EdN3cULCqtorQ4QeWgLMrd5ZGOjLSLemfa00heasc%3D' (2025-03-30)
  → 'github:nix-community/nixpkgs.lib/14a40a1d7fb9afa4739275ac642ed7301a9ba1ab?narHash=sha256-urW/Ylk9FIfvXfliA1ywh75yszAbiTEVgpPeinFyVZo%3D' (2025-06-29)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/979daf34c8cacebcd917d540070b52a3c2b9b16e?narHash=sha256-uKCfuDs7ZM3QpCE/jnfubTg459CnKnJG/LwqEVEdEiw%3D' (2025-05-04)
  → 'github:NixOS/nixpkgs/3016b4b15d13f3089db8a41ef937b13a9e33a8df?narHash=sha256-P/SQmKDu06x8yv7i0s8bvnnuJYkxVGBWLWHaU%2Btt4YY%3D' (2025-06-30)

Author: github-actions[bot]