title: Jenkins Declarative Pipeline log a warning message that is visible in Blue Ocean
body: <p>Is it possible to create a warning log message in Jenkins Blue Ocean view like the <code>unstable(MESSAGE)</code> warning message, but without setting the hole build state as unstable?</p>
  
  <p>I mean the yellow/orange log message in this view "Couldn't load dependencies!":
  <a href="https://i.stack.imgur.com/YbvSa.png" rel="noreferrer"><img src="https://i.stack.imgur.com/YbvSa.png" alt="Example of unstable()"></a></p>
  
  <p><code>catchError(message: 'MESSAGE', buildResult: 'SUCCESS', stageResult: 'UNSTABLE')</code> will also not help, because the message is not visible in the Blue Ocean view.</p>