升级3.1.3版本后运行flink任务提示如下报错：
Caused by: org.apache.doris.shaded.com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "is_nullable" (class org.apache.doris.flink.rest.models.Field), not marked as ignorable (6 known properties: "aggregation_type", "type", "name", "precision", "comment", "scale"])
org.apache.doris.flink.exception.DorisRuntimeException: org.apache.doris.flink.exception.DorisException: Doris FE's response cannot map to schema
flink-doris-connector版本：flink-doris-connector-1.15-24.0.1.jar
doris版本：3.1.3
