changed mvn to mvnw

Jenkinsfile

@@ -90,7 +90,7 @@ spec:
         stage('Build artifact') {
             steps {
                 container('docker-client') {
-                    sh "docker run -v $WORKSPACE:/usr/src/mymaven -v /tmp/repository:/root/.m2/repository -w /usr/src/mymaven maven:3.6.3-jdk-13 bash -c 'mvn clean package -Pprod'"
+                    sh "docker run -v $WORKSPACE:/usr/src/mymaven -v /tmp/repository:/root/.m2/repository -w /usr/src/mymaven maven:3.6.3-jdk-13 bash -c './mvnw clean package -Pprod'"
                 }
             }
         }