:bug: Fix I2C too many end_class [skip ci]

diff --git a/plug b/plug
index 33c84e3e3c29b6f93c789902287a9ea49cddcebb..e217367af118688471cc59bdf2347994c5418807 160000 (submodule)
--- a/plug
+++ b/plug
@@ -1 +1 @@
-Subproject commit 33c84e3e3c29b6f93c789902287a9ea49cddcebb
+Subproject commit e217367af118688471cc59bdf2347994c5418807