:art: Update modules

diff --git a/ast b/ast
index 1b6faf1fa2a5c89eec2fbca785a01f86402faf61..8fdf56e0aabe91bcaded35c38d036e81a3a34432 160000 (submodule)
--- a/ast
+++ b/ast
@@ -1 +1 @@
-Subproject commit 1b6faf1fa2a5c89eec2fbca785a01f86402faf61
+Subproject commit 8fdf56e0aabe91bcaded35c38d036e81a3a34432

diff --git a/plug b/plug
index 35d69c43c223a8374607200d4f23274215168f9c..a7cdf3ee3f8ab005d1e8dff0249af310133c0c73 160000 (submodule)
--- a/plug
+++ b/plug
@@ -1 +1 @@
-Subproject commit 35d69c43c223a8374607200d4f23274215168f9c
+Subproject commit a7cdf3ee3f8ab005d1e8dff0249af310133c0c73