minor #8064 Update workflow.rst (br0kenb1nary)

This PR was merged into the 3.3 branch.

Discussion
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Update workflow.rst

Corrected attempt at method call via constructor;

Commits
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9c14995 Update workflow.rst

Author: xabbuh

components/workflow.rst

@@ -44,8 +44,8 @@ these statuses are called **places**. You can define the workflow like this::
     use Symfony\Component\Workflow\Workflow;
     use Symfony\Component\Workflow\MarkingStore\SingleStateMarkingStore;
 
-    $definition = new DefinitionBuilder()
-        ->addPlaces(['draft', 'review', 'rejected', 'published'])
+    $definition = new DefinitionBuilder();
+    $definition->addPlaces(['draft', 'review', 'rejected', 'published'])
         // Transitions are defined with a unique name, an origin place and a destination place
         ->addTransition(new Transition('to_review', 'draft', 'review'))
         ->addTransition(new Transition('publish', 'review', 'published'))