feat(tenpayv3): 新增加密中请求中敏感信息字段的扩展方法

src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Exceptions/WechatTenpayRequestEncryptionException.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Exceptions
+{
+    public class WechatTenpayRequestEncryptionException : WechatTenpayException
+    {
+        /// <inheritdoc/>
+        internal WechatTenpayRequestEncryptionException()
+        {
+        }
+
+        /// <inheritdoc/>
+        internal WechatTenpayRequestEncryptionException(string message) 
+            : base(message)
+        {
+        }
+
+        /// <inheritdoc/>
+        internal WechatTenpayRequestEncryptionException(string message, Exception innerException) 
+            : base(message, innerException)
+        {
+        }
+    }
+}