from: dubbo-configcenter-extensions
to: dubbo-remoting-extensions
evidence:
 - file: "dubbo-configcenter-extensions/dubbo-configcenter-etcd/src/main/java/org/apache/dubbo/configcenter/support/etcd/EtcdDynamicConfiguration.java"
   contains "import org.apache.dubbo.remoting.etcd.StateListener;"