Merge branch 'release-3.31' into release-4.0

Help/release/3.31.rst

@@ -273,3 +273,10 @@ Changes made since CMake 3.31.0 include the following.
 * These versions made no changes to documented features or interfaces.
   Some implementation updates were made to support ecosystem changes
   and/or fix regressions.
+
+3.31.10
+-------
+
+* The :command:`execute_process` command once again terminates child
+  processes when its ``TIMEOUT`` is reached.  This was accidentally
+  regressed by CMake 3.29.