[I18N] Update translation terms from Transifex

addons/account/i18n/fr.po

addons/account/i18n/he.po

addons/account/i18n/pl.po

addons/delivery/i18n/ja.po

addons/event/i18n/ca.po

addons/hr/i18n/es_MX.po

addons/hr/i18n/ko.po

addons/hr_timesheet/i18n/ja.po

addons/lunch/i18n/tr.po

addons/mail/i18n/he.po

addons/mail/i18n/pl.po

addons/mail_client_extension/i18n/ca.po

addons/membership/i18n/he.po

addons/payment/i18n/ca.po

addons/product/i18n/ja.po

addons/product/i18n/zh_CN.po

addons/project/i18n/fa.po

addons/purchase/i18n/pl.po

addons/purchase_stock/i18n/pl.po

addons/sale/i18n/pl.po