By Mickey Djuric THE CANADIAN PRESS OTTAWA-With Prime Minister Justin Trudeau is expected to shuffle his cabinet as early as Wednesday,a string of Liberal ministers have confirmed they will not run in the next federal election. Fisheries Minister Joyce Murray, Transport Minister Omar Alghabra, Public Services and Procurement Minister Helena Jaczek and Mental Health and Addictions Minister Carolyn Bennett all announced this week that they will not seek re-election. Trudeau has been holding private meetings in the capital this week, while several other ministers have cancelled public appearances _ both signs of an impending shake-up. A government source with knowledge of the matter said the cabinet shuffle would happen as soon as Wednesday. They were granted anonymity because they were not authorized to speak about it publicly The last time…