patch 9.1.0233: Vim9: string() output of enum is problematic

Problem:  Vim9: string() output of enum is problematic
Solution: Make string() output for an enum consistent with that of a
          regular object (Yegappan Lakshmanan).

closes: #14343

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 5069f72..1f748c8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    233,
+/**/
     232,
 /**/
     231,