flake.lock: Update

Flake lock file updates:

• Updated input 'emacs-overlay':
    'github:nix-community/emacs-overlay/e8f5066' (2026-02-22)
  → 'github:nix-community/emacs-overlay/02de288' (2026-03-07)
• Updated input 'home-manager':
    'github:nix-community/home-manager/5bd3589' (2026-02-22)
  → 'github:nix-community/home-manager/27b9380' (2026-03-07)
• Updated input 'nix-darwin':
    'github:LnL7/nix-darwin/6a7fdcd' (2026-02-19)
  → 'github:LnL7/nix-darwin/52d0615' (2026-03-01)
• Updated input 'nixos-wsl':
    'github:nix-community/NixOS-WSL/379d20c' (2026-02-20)
  → 'github:nix-community/NixOS-WSL/be89460' (2026-03-01)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/0182a36' (2026-02-17)
  → 'github:nixos/nixpkgs/aca4d95' (2026-03-06)

Author: github-actions[bot]