flake.lock: Update

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/a60021a8c99bf5a28919c0a9fbb6b04422a6a8da?narHash=sha256-x6x30IzUOxKmOtE0KzQu9UxLrxg0HLurd5rpak62OL0%3D' (2025-09-10)
  → 'github:nix-community/home-manager/5f06ceafc6c9b773a776b9195c3f47bbe1defa43?narHash=sha256-ILSPD0Dm8p0w0fCVzOx98ZH8yFDrR75GmwmH3fS2VnE%3D' (2025-10-04)
• Updated input 'nixpkgs':
    'git+https://github.com/NixOS/nixpkgs?ref=nixos-unstable&rev=b599843bad24621dcaa5ab60dac98f9b0eb1cabe&shallow=1' (2025-09-08)
  → 'git+https://github.com/NixOS/nixpkgs?ref=nixos-unstable&rev=7df7ff7d8e00218376575f0acdcc5d66741351ee&shallow=1' (2025-10-02)

Author: github-actions[bot]