patch 8.2.3890: Vim9: type check for using v: variables is basic

Problem:    Vim9: type check for using v: variables is basic.
Solution:   Specify a more precise type.
diff --git a/src/version.c b/src/version.c
index cd4d157..dd99a31 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3890,
+/**/
     3889,
 /**/
     3888,