Merge topic 'patch-genex-versionadded'

8002d039e8 Help: Add versionadded for STRING FIND genex

Acked-by: Kitware Robot <[email protected]>
Merge-request: !11609

Help/manual/cmake-generator-expressions.7.rst

@@ -407,6 +407,8 @@ String Queries
 
 .. genex:: $<STRING:FIND,string[,FROM:(BEGIN|END)],substring>
 
+  .. versionadded:: 4.3
+
   The position where the given ``substring`` was found in the supplied
   ``string``. If the ``substring`` is not found, a position of -1 is returned.