patch 8.2.5143: some tests fail when using valgrind

Problem:    Some tests fail when using valgrind. Spurious leak reports.
Solution:   Use WaitForAssert().  Avoid failing fork/exec.  Skip tests where a
            job is killed when running valgrind.
diff --git a/src/version.c b/src/version.c
index 36eadfd..66129bd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5143,
+/**/
     5142,
 /**/
     5141,