patch 8.2.2144: Vim9: some corner cases not tested

Problem:    Vim9: some corner cases not tested.
Solution:   Add a few tests.
diff --git a/src/version.c b/src/version.c
index be8c64a..dfd5651 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2144,
+/**/
     2143,
 /**/
     2142,