patch 8.2.1533: Vim9: error when passing getreginfo() result to setreg()

Problem:    Vim9: error when passing getreginfo() result to setreg().
Solution:   Use dict_get_bool() for "isunnamed". (closes #6784)
diff --git a/src/version.c b/src/version.c
index ba62765..e6299f4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1533,
+/**/
     1532,
 /**/
     1531,