Update Doc/whatsnew/3.14.rst

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

Author: JelleZijlstra

Doc/whatsnew/3.14.rst

@@ -966,6 +966,7 @@ types
   See :ref:`below <whatsnew314-typing-union>` for more details.
   (Contributed by Jelle Zijlstra in :gh:`105499`.)
 
+
 typing
 ------