patch 8.2.3422: Vim9: no failure if return type differs from returned var

Problem:    Vim9: no failure if return type differs from returned variable.
Solution:   Copy type when copying a list. (closes #8847)
diff --git a/src/version.c b/src/version.c
index d1767f3..8cd295c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3422,
+/**/
     3421,
 /**/
     3420,