flake.lock: Update (#310)

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/0e4217b2c4827e71e2e612accccb01981c16afda?narHash=sha256-TwDXF4MkmjI9c3Sly9FOWXf4sPbre6ZujG87v39G1Ig%3D' (2026-01-09)
  → 'github:nix-community/home-manager/d21bee5abf9fb4a42b2fa7728bf671f8bb246ba6?narHash=sha256-EBXKDho4t1YSgodAL6C8M3UTm8MGMZNQ9rQnceR5%2B6c%3D' (2026-01-16)
• Updated input 'nixos-hardware':
    'github:NixOS/nixos-hardware/40b1a28dce561bea34858287fbb23052c3ee63fe?narHash=sha256-ljDBUDpD1Cg5n3mJI81Hz5qeZAwCGxon4kQW3Ho3%2B6Q%3D' (2025-12-31)
  → 'github:NixOS/nixos-hardware/7297dfc69ae9b06e984a6f69900ce25e67c76f46?narHash=sha256-jJr/zDxu5evfQxlXtMrFFF68/RNj1UrctS/eIsay4k0%3D' (2026-01-15)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/3497aa5c9457a9d88d71fa93a4a8368816fbeeba?narHash=sha256-dhhvQY67aboBk8b0/u0XB6vwHdgbROZT3fJAjyNh5Ww%3D' (2026-01-08)
  → 'github:NixOS/nixpkgs/1412caf7bf9e660f2f962917c14b1ea1c3bc695e?narHash=sha256-AIdl6WAn9aymeaH/NvBj0H9qM%2BXuAuYbGMZaP0zcXAQ%3D' (2026-01-13)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: ipetkov