feat:微信小店订单详情接口新增会员权益等优惠金额字段

weixin-java-channel/src/main/java/me/chanjar/weixin/channel/bean/order/OrderProductInfo.java

@@ -241,4 +241,16 @@ public class OrderProductInfo implements Serializable {
   @JsonProperty("national_subsidy_merchant_discounted_price")
   private Integer nationalSubsidyMerchantDiscountedPrice;
 
+  /**
+   * 订单内商品维度活动商家补贴，即参与平台补贴活动时商家通过活动报名价优惠的部分
+   */
+  @JsonProperty("platform_activity_merchant_discounted_price")
+  private Integer platformActivityMerchantDiscountedPrice;
+
+  /**
+   * 订单内商品维度平台券优惠金额
+   */
+  @JsonProperty("cash_coupon_discounted_price")
+  private Integer cashCouponDiscountedPrice;
+
 }