Update submodules: plugins (new commits)

plugins:
    8409df2 Greg Holmes <greg@dmdirc.com>
            Stop using ResourceManager methods some more.

            Depends-On: Ic48f35315ff795c6dd44bf24190ca19581ca71d3
            Gerrit: http://gerrit.dmdirc.com/4078

Change-Id: I6c5a840046b9c46b481f124930d92b36a40f36e9

modules/plugins

@@ -1 +1 @@
-Subproject commit 0fe6bea009c33d5bc1398695bafe73f8db20ff65
+Subproject commit 8409df20c6f63d0faa5f9b9f5fc7c83134cde537