OZG-6710 [chore] fix Jenkinsfile

Jenkinsfile

@@ -33,7 +33,7 @@ pipeline {
                     def rootVersion = getRootPomVersion()
                     def zufiManagerServerVersion = getParentPomVersion('zufi-manager-server/pom.xml')
                     def zufiManagerPvogVersion = getParentPomVersion('zufi-manager-pvog/pom.xml')
-                    def zufiManagerInterfaceVersion = getParentPomVersion('zufi-manager-interface/pom.xml')
+                    def zufiManagerInterfaceVersion = getPomVersion('zufi-manager-interface/pom.xml')
                     def zufiManagerModelVersion = getParentPomVersion('zufi-manager-model/pom.xml')
 
                     if (isReleaseBranch()) {
@@ -436,8 +436,7 @@ Void performSonarCheck(String module) {
 }
 
 String getRootPomVersion() {
-    def rootPom = readMavenPom file: 'pom.xml'
-    return rootPom.version
+    return getPomVersion('pom.xml')
 }
 
 String getParentPomVersion(String filePath) {
@@ -445,6 +444,11 @@ String getParentPomVersion(String filePath) {
     return pom.parent.version
 }
 
+String getPomVersion(String pomFile){
+    def pom = readMavenPom file: pomFile
+    return pom.version
+}
+
 String generateImageTag() {
     def imageTag = "${env.BRANCH_NAME}-${getRootPomVersion()}"