[bugfix][iceberg] support long type (#1887)

Co-authored-by: doushuming <mm1326703389@163.com>

Author: dou-dou

chunjun-connectors/chunjun-connector-iceberg/src/main/java/com/dtstack/chunjun/connector/iceberg/sink/ChunjunRowDataConvertMap.java

@@ -60,6 +60,7 @@ private Object getRowDataByType(RowData data, String type, int index) {
             case "INT24":
             case "INT UNSIGNED":
                 return data.getInt(index);
+            case "LONG":
             case "BIGINT":
             case "BIGINT UNSIGNED":
                 return data.getLong(index);