OZG-5907 update jenkinsfile

Jenkinsfile

@@ -290,8 +290,7 @@ String generateImageTag(String pomFile) {
 }
 
 String generateBranchPRJarTag(String pomFile) {
-    def version = getPomVersion(pomFile).replace("-SNAPSHOT", "")
-    def jarTag = "${version}-${env.BRANCH_NAME}-SNAPSHOT"
+    def jarTag = getPomVersion(pomFile).replace("SNAPSHOT", "${env.BRANCH_NAME}-SNAPSHOT")
 
     return jarTag
 }