:art: Update submodules

diff --git a/ast b/ast
index f4a41d4fa0f480b9fa2753961cb749b2bdfbe989..65d443f4f49197031e0ca095724b602cfc24d20b 160000 (submodule)
--- a/ast
+++ b/ast
@@ -1 +1 @@
-Subproject commit f4a41d4fa0f480b9fa2753961cb749b2bdfbe989
+Subproject commit 65d443f4f49197031e0ca095724b602cfc24d20b

diff --git a/util b/util
index b6da253a73b2ca3153168b43dc2b3e6b2025361b..bbaef376bdbc13bba73d5f24e58701bcaf885f72 160000 (submodule)
--- a/util
+++ b/util
@@ -1 +1 @@
-Subproject commit b6da253a73b2ca3153168b43dc2b3e6b2025361b
+Subproject commit bbaef376bdbc13bba73d5f24e58701bcaf885f72