patch 8.2.3897: Vim9: second argument of map() and filter() not checked

Problem:    Vim9: the second argument of map() and filter() is not checked at
            compile time.
Solution:   Add more specific type check for the second argument.
diff --git a/src/version.c b/src/version.c
index a09a0bf..adb3722 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3897,
+/**/
     3896,
 /**/
     3895,