chore: 调整 mex 用户购买物品匹配命令的执行频率

- 将 'mex:user-buy-item-match' 命令的执行频率从每分钟改为每五分钟
- 此修改可能会影响用户购买物品的匹配速度，请密切关注效果

routes/console.php

@@ -25,5 +25,5 @@ Artisan::command('inspire', function () {
 
 // mex 匹配
 \Illuminate\Support\Facades\Schedule::command('mex:user-sell-item-match')->everyMinute()->onOneServer();
-\Illuminate\Support\Facades\Schedule::command('mex:user-buy-item-match')->everyMinute()->onOneServer();
+\Illuminate\Support\Facades\Schedule::command('mex:user-buy-item-match')->everyFiveMinutes()->onOneServer();