title: Jenkins input step "Abort" button change label
body: <p>As the title says I am searching for a way to change the label of the "Abort" button on the input step in the scripted Pipeline. I know there is the ability to change the "Proceed" button with</p>
  
  <pre><code>input message: "Yes/No?", ok: "Yes"
  </code></pre>
  
  <p>But I can't find a way to change the other Button.</p>
  
  <p>Another question would be if there is a way to add a third or even more buttons to the input step.</p>
  
  <p>Thanks already for all your answers :)</p>