Merge branch '6.4' into 7.0

* 6.4:
  [webhook] show `make:webhook`

Author: javiereguiluz

webhook.rst

@@ -180,3 +180,14 @@ For SMS webhooks, react to the
             // Handle the SMS event
         }
     }
+
+Creating a Custom Webhook
+-------------------------
+
+.. tip::
+
+    Starting in `MakerBundle`_ ``v1.58.0``, you can run ``php bin/console make:webhook``
+    to generate the request parser and consumer files needed to create your own
+    Webhook.
+
+_`MakerBundle`: https://symfony.com/doc/current/bundles/SymfonyMakerBundle/index.html