Merge branch 'release-3.31'

Help/release/3.31.rst

@@ -267,8 +267,8 @@ Updates
 
 Changes made since CMake 3.31.0 include the following.
 
-3.31.1, 3.31.2, 3.31.3, 3.31.4, 3.31.5, 3.31.6, 3.31.7, 3.31.8
---------------------------------------------------------------
+3.31.1, 3.31.2, 3.31.3, 3.31.4, 3.31.5, 3.31.6, 3.31.7, 3.31.8, 3,31.9
+----------------------------------------------------------------------
 
 * These versions made no changes to documented features or interfaces.
   Some implementation updates were made to support ecosystem changes