IVYPORTAL-14419 Raise version of your portal maven artifacts to the n…

…ext development cycle after release > Increase portal version by build param

build/update-pom/Jenkinsfile

@@ -8,7 +8,8 @@ pipeline {
   }
 
   parameters {
-    string(name: 'buildPluginVersion', defaultValue: '', description: 'Axon Ivy build plugin version of all pom will be updated to. If empty value, no changes.')
+    string(name: 'buildPluginVersion', defaultValue: '', description: '''Axon Ivy build plugin version of all pom will be updated to. If empty value, no changes. 
+      If buildPluginVersion, ivyEngineVersion, portalVersion params all are empty, this build just updates cached engines, no GIT commits are created.''')
     string(name: 'ivyEngineVersion', defaultValue: '', description: 'Axon Ivy engine version of all pom will be updated to. If empty value, no changes.')
     string(name: 'portalVersion', defaultValue: '', description: 'Portal version of all pom will be updated to. If empty value, no changes.')
     string(name: 'branchToPush', defaultValue: 'portal-update-pom/master', description: 'Branch name to push changes. It must not be protected branches. After this build, create a pull request to merge to master')