po: update po/fr_CA/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/lv/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/lv/event.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/lv/menu.po (pulled from Transifex.net by CiviCRM l10n maintainer)