fix(jmanus): fix the error of cron task saving (alibaba#1935)

Author: yaohuitc

spring-ai-alibaba-jmanus/src/main/java/com/alibaba/cloud/ai/example/manus/dynamic/cron/vo/CronConfig.java

@@ -17,9 +17,12 @@
 
 import java.time.LocalDateTime;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 /**
  * Cron task configuration VO class
  */
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class CronConfig {
 
 	private Long id;