Merge branch '6.4' into 7.0

* 6.4:
  [Notifier][Webhook] Add Vonage support
  [Notifier] Add GoIP bridge
  [Workflow] Use TRANSITION_TYPE_WORKFLOW for rendering workflow in profiler
  Remove unneeded calls to setPublic(false)

Author: fabpot

Tests/DependencyInjection/FormPassTest.php

@@ -64,8 +64,8 @@ public function testAddTaggedTypes()
             (new Definition(ServiceLocator::class, [[
                 __CLASS__.'_Type1' => new ServiceClosureArgument(new Reference('my.type1')),
                 __CLASS__.'_Type2' => new ServiceClosureArgument(new Reference('my.type2')),
-            ]]))->addTag('container.service_locator')->setPublic(false),
-            $locator->setPublic(false)
+            ]]))->addTag('container.service_locator'),
+            $locator
         );
     }