patch 8.2.3715: Vim9: valgrind reports spurious problems for a test

Problem:    Vim9: valgrind reports spurious problems for a test.
Solution:   Move the test to the set that is known to fail.
diff --git a/src/version.c b/src/version.c
index 080c687..b98d0b3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3715,
+/**/
     3714,
 /**/
     3713,