patch 8.2.0564: Vim9: calling a def function from non-vim9 may fail

Problem:    Vim9: calling a def function from non-vim9 may fail.
Solution:   Convert varargs to a list.
diff --git a/src/version.c b/src/version.c
index d43c9d5..7b40fa4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    564,
+/**/
     563,
 /**/
     562,