[amqp] Fixes high CPU consumption when basic get is used

- usleep 100ms was added

Author: makasim

pkg/amqp-ext/AmqpConsumer.php

@@ -134,6 +134,8 @@ private function receiveBasicGet($timeout)
             if ($message = $this->receiveNoWait()) {
                 return $message;
             }
+
+            usleep(100000); //100ms
         }
     }