minor #18321 Fixed typo in messenger.rst (pavdovlatov)

This PR was merged into the 6.2 branch.

Discussion
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Fixed typo in messenger.rst

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Commits
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90ff99b Fixed typo in messenger.rst

Author: OskarStark

messenger.rst

@@ -2484,7 +2484,7 @@ of the process. For each, the event class is the event name:
 
 .. versionadded:: 6.2
 
-    The ``WorkerRateLimitedEvent`` was introduced in Symfony 6.3.
+    The ``WorkerRateLimitedEvent`` was introduced in Symfony 6.2.
 
 Multiple Buses, Command & Event Buses
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