public Builder dirtySink(DirtySink<Object> dirtySink) {
            this.dirtySink = dirtySink;
            return this;
        }
Add metric output for iceberg writer
@param inlongMetric
@param auditHostAndPorts
@return
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/iceberg/src/main/java/org/apache/inlong/sort/iceberg/sink/FlinkSink.java