patch 8.2.3117: Vim9: type not properly checked in for loop

Problem:    Vim9: type not properly checked in for loop.
Solution:   Have items() return a list of lists.  Add runtime type checks.
            (closes #8515)
diff --git a/src/version.c b/src/version.c
index 1deb3e4..e1774a4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3117,
+/**/
     3116,
 /**/
     3115,