Merge branch '5.4' into 6.2

* 5.4:
  Add missing type monolog config php config

Author: javiereguiluz

logging/monolog_email.rst

@@ -293,6 +293,7 @@ get logged on the server as well as the emails being sent:
             ;
 
             $monolog->handler('group')
+                ->type('group')
                 ->members(['streamed', 'deduplicated'])
             ;