patch 8.2.4587: Vim9: double free after unpacking a list

Problem:    Vim9: double free after unpacking a list.
Solution:   Make a copy of the value instead of moving it. (closes #9968)
diff --git a/src/version.c b/src/version.c
index b90c571..5cb21e8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4587,
+/**/
     4586,
 /**/
     4585,