:art:【微信支付】增加商户上传反馈图片API，并修复消费者投诉2.0里查询投诉协商历史的接口问题

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/complaint/NegotiationHistoryResult.java

@@ -67,7 +67,7 @@ public class NegotiationHistoryResult implements Serializable {
      * </pre>
      */
     @SerializedName("complaint_media_list")
-    private List<ComplaintDetailResult.ComplaintMedia> complaintMediaList;
+    private List<ComplaintMedia> complaintMediaList;
 
     @Data
     public static class ComplaintMedia implements Serializable {
@@ -97,7 +97,7 @@ public class NegotiationHistoryResult implements Serializable {
        * </pre>
        */
       @SerializedName("media_url")
-      private String mediaUrl;
+      private List<String> mediaUrl;
 
     }