patch 8.2.0992: Vim9: crash when using :import in the Vim command

Problem:    Vim9: crash when using :import in the Vim command.
Solution:   Give an error when using :import outside of a script.
            (closes #6271)

src/version.c

@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    992,
 /**/
     991,
 /**/