patch 9.1.0520: Vim9: incorrect type checking for modifying lists

Problem:  Vim9: incorrect type checking for modifying lists
Solution: Correctly assign the member declared types and generate
          typechecks, add disassembly test (LemonBoy)

fixes: #15090
closes: #15094

Signed-off-by: LemonBoy <thatlemon@gmail.com>
Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 966088d..ec993ab 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    520,
+/**/
     519,
 /**/
     518,