patch 9.0.1436: cannot compare a typed variable with v:none

Problem:    Cannot compare a typed variable with v:none.
Solution:   Allow for "x is v:none" and "x isnot v:none". (issue #12194)
diff --git a/src/version.c b/src/version.c
index 547d6a7..23d4936 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1436,
+/**/
     1435,
 /**/
     1434,