[Messenger] Add --class-filter option to the messenger:failed:remove command

Author: arnaud-deabreu

messenger.rst

@@ -1312,6 +1312,9 @@ to retry them:
     # remove all messages in the failure transport
     $ php bin/console messenger:failed:remove --all
 
+    # remove only MyClass messages
+    $ php bin/console messenger:failed:remove --class-filter='MyClass'
+
 If the message fails again, it will be re-sent back to the failure transport
 due to the normal :ref:`retry rules <messenger-retries-failures>`. Once the max
 retry has been hit, the message will be discarded permanently.