message: Report service worker update failures
diff: @@ -121,6 +121,7 @@ export default function registerServiceWorker() {
  .catch((err) => {
  if ($featureFlags.debugSW) {
  console.error('SW: Unable to update service worker.', err);
  + reportException('service-worker', err);
  }
  })
  .then(() => {
  