flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/7e297ddff44a3cc93673bb38d0374df8d0ad73e4?narHash=sha256-4xggC56Rub3WInz5eD7EZWXuLXpNvJiUPahGtMkwtuc%3D' (2025-10-10)
  → 'github:NixOS/nixpkgs/daf6dc47aa4b44791372d6139ab7b25269184d55?narHash=sha256-wxX7u6D2rpkJLWkZ2E932SIvDJW8%2BON/0Yy8%2Ba5vsDU%3D' (2025-10-27)
• Updated input 'zig-overlay':
    'github:mitchellh/zig-overlay/365085b6652259753b598d43b723858184980bbe?narHash=sha256-/zj5GYO5PKhBWGzbHbqT%2BehY8EghuABdQ2WGfCwZpCQ%3D' (2025-10-14)
  → 'github:mitchellh/zig-overlay/3b9b2d77082f04660c72a17bf5a535b88a42333b?narHash=sha256-GiJESf7Hondk3FeFiRuXuqnMjEKH0/TfCBCA0hsJ20U%3D' (2025-11-01)

Author: Techatrix