patch 8.2.1601: Vim9: cannot use 'true" with garbagecollect()

Problem:    Vim9: cannot use 'true" with garbagecollect().
Solution:   Use tv_get_bool(). (closes #6871)
diff --git a/src/version.c b/src/version.c
index 8ebf9a7..ab9c0c4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1601,
+/**/
     1600,
 /**/
     1599,