patch 8.2.1209: Vim9: test failure

Problem:    Vim9: test failure.
Solution:   Add missing changes to hashtab.
diff --git a/src/version.c b/src/version.c
index 3997ccf..f49eec9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1209,
+/**/
     1208,
 /**/
     1207,