fix(Jenkinsfile) jx step changelog --generate-yaml=false

Author: igdianov

Jenkinsfile

@@ -77,7 +77,7 @@ pipeline {
         steps {
           container("maven") {
             dir ("./charts/$APP_NAME") {
-              sh "jx step changelog --version v\$(cat ../../VERSION)"
+              sh "jx step changelog --generate-yaml=false --version v\$(cat ../../VERSION)"
 
               // publish to github
               retry(5) {