patch 8.0.1694: terminal API test is a bit flaky

Problem:    Terminal API test is a bit flaky.
Solution:   Wait longer for Vim to stop.
diff --git a/src/version.c b/src/version.c
index 80b05fa..46d12cc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -763,6 +763,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1694,
+/**/
     1693,
 /**/
     1692,