:art: Update plug

diff --git a/plug b/plug
index 3004e1d43e8cdfae9a4cdabaa372ab6e936e634c..50ffa5f21e6274f7d358413e1e4b572c8f969b1d 160000 (submodule)
--- a/plug
+++ b/plug
@@ -1 +1 @@
-Subproject commit 3004e1d43e8cdfae9a4cdabaa372ab6e936e634c
+Subproject commit 50ffa5f21e6274f7d358413e1e4b572c8f969b1d