:art: Update ast

diff --git a/ast b/ast
index 26981201377874f666cf62ea915c167357637c30..89679d16cc7637c0d33d51c2d78d3892644d1c66 160000 (submodule)
--- a/ast
+++ b/ast
@@ -1 +1 @@
-Subproject commit 26981201377874f666cf62ea915c167357637c30
+Subproject commit 89679d16cc7637c0d33d51c2d78d3892644d1c66