:art: Update ast

diff --git a/ast b/ast
index d309c7d2f7152d08e0880fdd068666ebc963738a..6aae98d67c76592e25bdf74444f80e4a52e95bec 160000 (submodule)
--- a/ast
+++ b/ast
@@ -1 +1 @@
-Subproject commit d309c7d2f7152d08e0880fdd068666ebc963738a
+Subproject commit 6aae98d67c76592e25bdf74444f80e4a52e95bec