message: docs: add blog post link to CHANGELOG
  PR Close
diff: @@ -14,6 +14,9 @@ Alex Rickabaugh, Andrew Kushnir, Andrew Scott, Doug Parker, Dylan Hunn, George K
  <a name="13.0.0"></a>
  # 13.0.0 (2021-11-03)
  +
  +[Blog post "Angular v13 is now available"](http://goo.gle/angular-v13).
  +
  ## Breaking Changes
  ### common
  - The behavior of the `SpyLocation` used by the `RouterTestingModule` has changed
  