patch 8.2.4285: Vim9: type of item in for loop not checked properly

Problem:    Vim9: type of item in for loop not checked properly.
Solution:   Adjust the type checking. (closes #9683)
diff --git a/src/version.c b/src/version.c
index 7417143..2c62367 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4285,
+/**/
     4284,
 /**/
     4283,