Merge branch '7.3' into 7.4

* 7.3:
  Minor tweak
  Clarify that RecoverableMessageHandlingException retryDelay is milliseconds

Author: javiereguiluz

messenger.rst

@@ -1219,9 +1219,9 @@ and must be retried. If you throw
 :class:`Symfony\\Component\\Messenger\\Exception\\RecoverableMessageHandlingException`,
 the message will always be retried infinitely and ``max_retries`` setting will be ignored.
 
-You can define a custom retry delay (e.g., to use the value from the ``Retry-After``
-header in an HTTP response) by setting the ``retryDelay`` argument in the
-constructor of the ``RecoverableMessageHandlingException``.
+You can define a custom retry delay in milliseconds (e.g., to use the value from
+the ``Retry-After`` header in an HTTP response) by setting the ``retryDelay``
+argument in the constructor of the ``RecoverableMessageHandlingException``.
 
 .. versionadded:: 7.2