message: docs: update the reviewed tag for what-is-angular topic
  PR Close
diff: @@ -208,4 +208,4 @@ To see Angular in action, see our [Getting Started](https://angular.io/start) tu
  To explore Angular's capabilities further, we recommend reading through the sections, Understanding Angular and Developer Guides.
  -@reviewed 2021-03-08
  +@reviewed 2021-08-20
  