awesome: update net_widgets

fix deprecated functions

diff --git a/awesome/widgets/net_widgets b/awesome/widgets/net_widgets
index 6f869684f7745c7e7aae9336facdc47d2896cc30..14ddf2e767ab2f4be8b032f51f7d37cafadf2d9a 160000 (submodule)
--- a/awesome/widgets/net_widgets
+++ b/awesome/widgets/net_widgets
@@ -1 +1 @@
-Subproject commit 6f869684f7745c7e7aae9336facdc47d2896cc30
+Subproject commit 14ddf2e767ab2f4be8b032f51f7d37cafadf2d9a