patch 8.2.1602: Vim9: cannot use 'true" with getbufinfo()

Problem:    Vim9: cannot use 'true" with getbufinfo().
Solution:   Use dict_get_bool(). (closes #6873)
diff --git a/src/version.c b/src/version.c
index ab9c0c4..9a58f11 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1602,
+/**/
     1601,
 /**/
     1600,