fix method call mistake of no function setClient in BaseClient

src/grpc-client/src/BaseClient.php

@@ -36,7 +36,7 @@ class BaseClient
             if (! ($options['client'] instanceof GrpcClient)) {
                 throw new InvalidArgumentException('Parameter client have to instanceof Hyperf\GrpcClient\GrpcClient');
             }
-            $this->setClient($options['client']);
+            $this->grpcClient = $options['client'];
         } else {
             $this->grpcClient = new GrpcClient(ApplicationContext::getContainer()->get(ChannelPool::class));
             $this->grpcClient->set($hostname, $options);