Update submodules: parser (new commits)

parser:
    c7a9683 Chris Smith <chris@dmdirc.com>
            Move IRC config into a proper build file.

            Using project('irc') doesn't work properly in a multiproject env.

            Gerrit: http://gerrit.dmdirc.com/4086

Change-Id: I451417bbb89d2a1fe9630fadb878b7293f4132e3