[Scheduler] fix dead link with correct once, again

Author: mfruehauf

scheduler.rst

@@ -965,12 +965,12 @@ before being further redispatched to its corresponding handler::
     }
 
 When using the ``RedispatchMessage``, Symfony will attach a
-:class:`Symfony\\Component\\Scheduler\\Messenger\\Stamp\\ScheduledStamp` to the message,
+:class:`Symfony\\Component\\Scheduler\\Messenger\\ScheduledStamp` to the message,
 helping you identify those messages when needed.
 
 .. versionadded:: 6.4
 
-    Automatically attaching a :class:`Symfony\\Component\\Scheduler\\Messenger\\Stamp\\ScheduledStamp`
+    Automatically attaching a :class:`Symfony\\Component\\Scheduler\\Messenger\\ScheduledStamp`
     to redispatched messages was introduced in Symfony 6.4.
 
 .. _`Memoizing`: https://en.wikipedia.org/wiki/Memoization