minor #9441 Fix typo on Method for getSubject Docs (ajduff14)

This PR was merged into the 3.4 branch.

Discussion
----------

Fix typo on Method for getSubject Docs

Typo causes a 404 not found when referencing the getSubject method of the workflow documentation.

Earliest maintained version this occurs is 4.0

Commits
-------

47b9e8a Fix typo on Method for getSubject Docs

Author: javiereguiluz

workflow/usage.rst

@@ -349,7 +349,7 @@ This means that each event has access to the following information:
 :method:`Symfony\\Component\\Workflow\\Event\\Event::getMarking`
     Returns the :class:`Symfony\\Component\\Workflow\\Marking` of the workflow.
 
-:method:`Symfony\\Component\\Worflow\\Event\\Event::getSubject`
+:method:`Symfony\\Component\\Workflow\\Event\\Event::getSubject`
     Returns the object that dispatches the event.
 
 :method:`Symfony\\Component\\Workflow\\Event\\Event::getTransition`