Also fix timezone for CAQC to America/Toronto.

As per https://github.com/eggert/tz/commit/45dcf69b45087cff50282d4da64b86a7d705ddf3, America/Montreal was removed from zone tab. Update time_zone for Quebec, Canada.

See also https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1239127