patch 8.2.4272: Vim9 expr test fails without the channel feature

Problem:    Vim9 expr test fails without the channel feature. (Dominique
            Pellé)
Solution:   Remove "g:" before "CheckFeature". (closes #9671)
diff --git a/src/version.c b/src/version.c
index 9173627..2d113b8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4272,
+/**/
     4271,
 /**/
     4270,