patch 8.2.3338: Vim9: no type check when assigning a list range

Problem:    Vim9: no type check when assigning a list range. (Naohiro Ono)
Solution:   Check the member type. (closes #8750)

src/version.c

@@ -755,6 +755,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3338,
 /**/
     3337,
 /**/