Adds requirement hyperf/stdlib (#325)

Author: huangdijia

composer.json

@@ -14,6 +14,7 @@
         "hyperf/di": "~3.1.0",
         "hyperf/event": "~3.1.0",
         "hyperf/process": "~3.1.0",
+        "hyperf/stdlib": "~3.1.0",
         "hyperf/stringable": "~3.1.0",
         "hyperf/support": "~3.1.0",
         "hyperf/tappable": "~3.1.0",

src/SubscriberManager.php

@@ -15,7 +15,7 @@
 use Hyperf\Collection\Arr;
 use Hyperf\Contract\StdoutLoggerInterface;
 use Hyperf\Di\Annotation\AnnotationCollector;
-use SplPriorityQueue;
+use Hyperf\Stdlib\SplPriorityQueue;
 
 class SubscriberManager
 {

src/TriggerManager.php

@@ -15,7 +15,7 @@
 use Hyperf\Collection\Arr;
 use Hyperf\Contract\ConfigInterface;
 use Hyperf\Di\Annotation\AnnotationCollector;
-use SplPriorityQueue;
+use Hyperf\Stdlib\SplPriorityQueue;
 
 use function Hyperf\Support\class_basename;