public static String convertTz(String dateStr, String tzFrom, String tzTo) {
    try {
      return formatTimestampTz(parseTimestampTz(dateStr, tzFrom), tzTo);
    } catch (ParseException e) {
      return null;
    }
  }
Convert datetime string from a time zone to another time zone.

@param dateStr the date time string
@param tzFrom the original time zone
@param tzTo the target time zone
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/main/java/org/apache/amoro/flink/util/DateTimeUtils.java