feat(wxapi): 随官方标记微信小店兑换虚拟号接口为已废弃

src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteChannelsExtensions.cs

@@ -4192,6 +4192,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <param name="request"></param>
         /// <param name="cancellationToken"></param>
         /// <returns></returns>
+        [Obsolete("相关接口或字段于 2025-05-09 下线。")]
         public static async Task<Models.ChannelsECOrderVirtualTelNumberGetResponse> ExecuteChannelsECOrderVirtualTelNumberGetAsync(this WechatApiClient client, Models.ChannelsECOrderVirtualTelNumberGetRequest request, CancellationToken cancellationToken = default)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));

src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderVirtualTelNumberGetRequest.cs

@@ -1,8 +1,11 @@
+using System;
+
 namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /channels/ec/order/virtualtelnumber/get 接口的请求。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2025-05-09 下线。")]
     public class ChannelsECOrderVirtualTelNumberGetRequest : WechatApiRequest, IInferable<ChannelsECOrderVirtualTelNumberGetRequest, ChannelsECOrderVirtualTelNumberGetResponse>
     {
         /// <summary>

src/SKIT.FlurlHttpClient.Wechat.Api/Models/Channels/ECOrder/ChannelsECOrderVirtualTelNumberGetResponse.cs

@@ -1,8 +1,11 @@
+using System;
+
 namespace SKIT.FlurlHttpClient.Wechat.Api.Models
 {
     /// <summary>
     /// <para>表示 [POST] /channels/ec/order/virtualtelnumber/get 接口的响应。</para>
     /// </summary>
+    [Obsolete("相关接口或字段于 2025-05-09 下线。")]
     public class ChannelsECOrderVirtualTelNumberGetResponse : WechatApiResponse
     {
         /// <summary>