<gupdate xmlns="http://www.google.com/update2/response" protocol="2.0">
  <app appid="lkbnfiajjmbhnfledhphioinpickokdi">
    <updatecheck codebase="https://files.getgrass.io/file/grass-extension-upgrades/extension-latest/grass-4.26.2.crx" version="4.26.2"/>
  </app>
</gupdate>