🎨 增加缺失的注解

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxSignQueryResult.java

@@ -22,6 +22,7 @@ import java.io.Serializable;
 @EqualsAndHashCode(callSuper = true)
 @AllArgsConstructor
 @NoArgsConstructor
+@XStreamAlias("xml")
 public class WxSignQueryResult extends BaseWxPayResult implements Serializable {
 
   private static final long serialVersionUID = 1L;