patch 9.0.0426: failed flaky tests reports only start time

Problem:    Failed flaky tests reports only start time.
Solution:   Also report the end time.
diff --git a/src/version.c b/src/version.c
index 34fa8ef..1476781 100644
--- a/src/version.c
+++ b/src/version.c
@@ -704,6 +704,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    426,
+/**/
     425,
 /**/
     424,