title: Response status code does not indicate success: 409 Conflict - The feed already contains
body: <p>I am changing my Azure DevOps build to .NET Core.</p>
  
  <p>It's all working except the final push step to get the package in my feed, I get this error:</p>
  
  <blockquote>
    <p>Response status code does not indicate success: 409 (Conflict - The
    feed already contains 'mypackage 1.0.x' (Devops Activity ID: xxx))</p>
  </blockquote>
  
  <p>In the old "Nuget Push" step there was an option to "Allow duplicates to be skipped", specifically to get around this problem - but this option is not available in the "dotnet push" step.</p>
  
  <p>How can this be achieved in the dotnet core world?</p>