patch 8.2.2381: Vim9: divide by zero does not abort expression execution

Problem:    Vim9: divide by zero does not abort expression execution.
Solution:   Use a "failed" flag. (issue #7704)
diff --git a/src/version.c b/src/version.c
index 0e4a97b..c220a40 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2381,
+/**/
     2380,
 /**/
     2379,