flake.lock: Update

Flake lock file updates:

• Updated input 'disko':
    'github:nix-community/disko/878ec37' (2026-03-14)
  → 'github:nix-community/disko/5ad85c8' (2026-03-19)
• Updated input 'home-manager':
    'github:nix-community/home-manager/ef12a9a' (2026-03-13)
  → 'github:nix-community/home-manager/856b01e' (2026-03-21)
• Updated input 'import-tree':
    'github:vic/import-tree/545a4df' (2026-03-08)
  → 'github:vic/import-tree/c41e7d5' (2026-03-16)
• Updated input 'nixos-hardware':
    'github:nixos/nixos-hardware/f8e8224' (2026-03-15)
  → 'github:nixos/nixos-hardware/2d4b471' (2026-03-20)
• Updated input 'nixos-wsl':
    'github:nix-community/NixOS-WSL/6766feb' (2026-03-15)
  → 'github:nix-community/NixOS-WSL/fd0eae9' (2026-03-19)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/c06b4ae' (2026-03-13)
  → 'github:nixos/nixpkgs/b40629e' (2026-03-18)
• Updated input 'noctalia':
    'github:noctalia-dev/noctalia-shell/2ff6723' (2026-03-15)
  → 'github:noctalia-dev/noctalia-shell/6b30925' (2026-03-21)
• Updated input 'noctalia/noctalia-qs':
    'github:noctalia-dev/noctalia-qs/6b9ecee' (2026-03-10)
  → 'github:noctalia-dev/noctalia-qs/c9beee5' (2026-03-21)
• Added input 'noctalia/noctalia-qs/treefmt-nix':
    'github:numtide/treefmt-nix/3710e0e' (2026-03-04)
• Added input 'noctalia/noctalia-qs/treefmt-nix/nixpkgs':
    'github:nixos/nixpkgs/4533d92' (2026-02-03)
• Updated input 'stylix':
    'github:nix-community/stylix/c4b8e80' (2026-02-28)
  → 'github:nix-community/stylix/e31c79f' (2026-03-21)

Author: github-actions[bot]