[DependencyInjection] Exclude referencing service (self) in TaggedIterator

Author: alexandre-daubois

service_container/tags.rst

@@ -692,6 +692,11 @@ iterator, add the ``exclude`` option:
 
     The ``exclude`` option was introduced in Symfony 6.1.
 
+.. versionadded:: 6.3
+
+    In the case the referencing service is itself tagged with the tag being used in the tagged
+    iterator, it is automatically excluded from the injected iterable since Symfony 6.3.
+
 .. seealso::
 
     See also :doc:`tagged locator services </service_container/service_subscribers_locators>`