title: Updating AppEngine deployed version on GitHub push
body: <p>Is it possible to auto-deploy to AppEngine when Github receives a new commit? I found a bunch of dead documentation links that suggest it is, however I still have no idea how to set it up. There are some mentions for creating a release pipeline, but I don't see any way to do that in the cloud console anymore.</p>
  
  <p>I've got my code mirroring the GitHub repository already, however I can't figure out how to link this to the deployment pipeline or even how to create a new version. Am I missing something obvious? This seems like it should be incredibly straightforward to do...</p>