[FLINK-38398][pipeline-connector][postgres] fixed Date convert adapt connect (#4133)

Author: Mrart

flink-cdc-connect/flink-cdc-source-connectors/flink-connector-debezium/src/main/java/org/apache/flink/cdc/debezium/event/DebeziumEventDeserializationSchema.java

@@ -314,6 +314,10 @@ protected Object convertToFloat(Object dbzObj, Schema schema) {
     }
 
     protected Object convertToDate(Object dbzObj, Schema schema) {
+        if (dbzObj instanceof Date) {
+            Instant instant = ((Date) dbzObj).toInstant();
+            return DateData.fromLocalDate(instant.atZone(java.time.ZoneOffset.UTC).toLocalDate());
+        }
         return DateData.fromLocalDate(TemporalConversions.toLocalDate(dbzObj));
     }