OZG-6377: Change name for new stage

Jenkinsfile

@@ -244,7 +244,7 @@ pipeline {
             }
         }
 
-        stage ('Deploy and build Barrierefreiheit') {
+        stage ('Trigger Barrierefreiheit Rollout') {
             when {
                tag 'barrierefreiheit-dev'
             }