:art: Update submodules

diff --git a/ast b/ast
index e8e5ed5638e9af707d7ee308288b595606d69595..80bf35b35aebe23fc18ebc57b5db627ba26a0167 160000 (submodule)
--- a/ast
+++ b/ast
@@ -1 +1 @@
-Subproject commit e8e5ed5638e9af707d7ee308288b595606d69595
+Subproject commit 80bf35b35aebe23fc18ebc57b5db627ba26a0167

diff --git a/util b/util
index f0e1edec5f3d78541d677d9d561dc428753f38d6..969d9ba1b7368c0c27732e6e61522ae0a0d62405 160000 (submodule)
--- a/util
+++ b/util
@@ -1 +1 @@
-Subproject commit f0e1edec5f3d78541d677d9d561dc428753f38d6
+Subproject commit 969d9ba1b7368c0c27732e6e61522ae0a0d62405