minor #16774 [Messenger] AsMessageHandler can be used on class methods (mjpvandenberg)

This PR was merged into the 6.1 branch.

Discussion
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[Messenger] AsMessageHandler can be used on class methods

Documents symfony/symfony#45273

Commits
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2bf52dd AsMessageHandler can be used on class methods

Author: javiereguiluz

messenger.rst

@@ -76,6 +76,13 @@ message class (or a message interface)::
     using PHP 7.4), by implementing :class:`Symfony\\Component\\Messenger\\Handler\\MessageHandlerInterface`
     instead.
 
+.. note::
+
+    As of Symfony 6.1, the ``AsMessageHandler`` attribute can be used on individual 
+    class methods as well. You may use the attribute on as many methods in a single
+    class as you like, allowing you to group the handling of multiple related types 
+    of messages.
+
 Thanks to :ref:`autoconfiguration <services-autoconfigure>` and the ``SmsNotification``
 type-hint, Symfony knows that this handler should be called when an ``SmsNotification``
 message is dispatched. Most of the time, this is all you need to do. But you can