OZG-2651 add maven wrapper; use ./mvnw to package

.mvn/wrapper/maven-wrapper.properties

+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.1/apache-maven-3.8.1-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.1/maven-wrapper-3.1.1.jar

Jenkinsfile

@@ -81,7 +81,11 @@ pipeline {
                     	withCredentials([usernamePassword(credentialsId: 'jenkins-docker-login', usernameVariable: 'USER', passwordVariable: 'PASSWORD')]) {
                       		sh 'docker login docker.ozg-sh.de -u ${USER} -p ${PASSWORD}'
                       	
-                   		sh 'docker build -f Dockerfile.native -t docker.ozg-sh.de/user-manager:build-latest .'
+                      		sh './mvnw -s $MAVEN_SETTINGS clean package -Pnative -DskipTests'
+                      	
+                      		sh 'docker build -f src/main/docker/Dockerfile.native -t docker.ozg-sh.de/user-manager:build-latest .'
+                      		//sh './mvnw -s $MAVEN_SETTINGS verify -Pnative'
+                      		sleep time: 10000, unit: 'MILLISECONDS'
                        	}
                    	}
             	}