patch 8.1.0144: the :cd command does not have good test coverage

Problem:    The :cd command does not have good test coverage.
Solution:   Add more tests. (Dominique Pelle, closes #2972)
diff --git a/src/version.c b/src/version.c
index 38c7710..07e34fc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -790,6 +790,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    144,
+/**/
     143,
 /**/
     142,