feat: add identity type zzding

Author: user

src/main/java/cn/authing/sdk/java/dto/IdentityDto.java

@@ -292,6 +292,9 @@ public static enum Provider {
 
         @JsonProperty("zjzwfw")
         ZJZWFW("zjzwfw"),
+
+        @JsonProperty("zzding")
+        ZZDING("zzding"),
         ;
 
         private String value;