patch 8.2.2338: Vim9: no error if using job_info() result wrongly

Problem:    Vim9: no error if using job_info() result wrongly.
Solution:   Adjust return type on number of arguments. (closes #7667)
diff --git a/src/version.c b/src/version.c
index 47a5bcc..1b63a5e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2338,
+/**/
     2337,
 /**/
     2336,