Update submodules: plugins (new commits)

plugins:
    1b5f8b0 Chris Smith <chris@dmdirc.com>
            Switch to plain lombok.

            Gerrit: http://gerrit.dmdirc.com/2799

Change-Id: I65dde71f890a0279133a8b07492ca1af42e04244

modules/plugins

@@ -1 +1 @@
-Subproject commit 4c9a1ce02a00c2618ee3a42253147f99af926d47
+Subproject commit 1b5f8b0a38da40f9f51aee03ceb551022da638ec