patch 8.2.1142: Vim9: return type of insert() is any

Problem:    Vim9: return type of insert() is any.
Solution:   Use type of the first argument.
diff --git a/src/version.c b/src/version.c
index 47d4bcc..6d4d6e9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1142,
+/**/
     1141,
 /**/
     1140,