[Attributes] Add #[MapDateTime] reference

Author: alexandre-daubois

controller/value_resolver.rst

@@ -96,7 +96,8 @@ Symfony ships with the following value resolvers in the
 
     .. versionadded:: 6.1
 
-        The ``DateTimeValueResolver`` was introduced in Symfony 6.1.
+        The ``DateTimeValueResolver`` and the ``MapDateTime`` attribute were
+        introduced in Symfony 6.1.
 
 :class:`Symfony\\Component\\HttpKernel\\Controller\\ArgumentResolver\\RequestValueResolver`
     Injects the current ``Request`` if type-hinted with ``Request`` or a class

reference/attributes.rst

@@ -53,7 +53,7 @@ HttpKernel
 
 * :doc:`AsController </controller/service>`
 * :ref:`Cache <http-cache-expiration-intro>`
-* :class:`Symfony\\Component\\HttpKernel\\Attribute\\MapDateTime`
+* :ref:`MapDateTime <functionality-shipped-with-the-httpkernel>`
 
 Messenger
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