feat(wxads): 封装部分微信广告平台接口

src/SKIT.FlurlHttpClient.Wechat.Ads/Models/CustomAudiences/CustomAudiencesUpdateRequest.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+
+namespace SKIT.FlurlHttpClient.Wechat.Ads.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /custom_audiences/update 接口的请求。</para>
+    /// </summary>
+    public class CustomAudiencesUpdateRequest : WechatAdsRequest
+    {
+        /// <summary>
+        /// 获取或设置自定义人群 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("audience_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("audience_id")]
+        public int CustomAudienceId { get; set; }
+
+        /// <summary>
+        /// 获取或设置自定义人群名称。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("name")]
+        [System.Text.Json.Serialization.JsonPropertyName("name")]
+        public string? CustomAudienceName { get; set; }
+
+        /// <summary>
+        /// 获取或设置自定义人群描述。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("description")]
+        [System.Text.Json.Serialization.JsonPropertyName("description")]
+        public string? CustomAudienceDescription { get; set; }
+    }
+}