[metadata collection] updated collector plugin name

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/collection/CollectorWorker.java

@@ -118,7 +118,7 @@ public class CollectorWorker extends ReportingJob {
 				return new RestCollectorPlugin(clientParams);
 			case file:
 				return new FileCollectorPlugin(fileSystem);
-			case fileGZip:
+			case fileGzip:
 				return new FileGZipCollectorPlugin(fileSystem);
 			case other:
 				final CollectorPlugin.NAME.OTHER_NAME plugin = Optional

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/collection/plugin/CollectorPlugin.java

@@ -10,7 +10,7 @@ import eu.dnetlib.dhp.common.collection.CollectorException;
 public interface CollectorPlugin {
 
 	enum NAME {
-		oai, other, rest_json2xml, file, fileGZip;
+		oai, other, rest_json2xml, file, fileGzip;
 
 		public enum OTHER_NAME {
 			mdstore_mongodb_dump, mdstore_mongodb