patch 8.2.1618: Vim9: cannot pass "true" to setloclist()

Problem:    Vim9: cannot pass "true" to setloclist().
Solution:   Use dict_get_bool(). (closes #6882)
diff --git a/src/version.c b/src/version.c
index d422465..5beab6d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1618,
+/**/
     1617,
 /**/
     1616,