patch 8.2.0230: terminal popup test is flaky

Problem:    Terminal popup test is flaky.
Solution:   Increase wait time a bit.
diff --git a/src/version.c b/src/version.c
index b08433c..8bd7d10 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    230,
+/**/
     229,
 /**/
     228,