[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/hr_timesheet/i18n/ja.po

addons/mail/i18n/he.po

addons/membership/i18n/he.po

addons/payment/i18n/ca.po

addons/purchase/i18n/pl.po

addons/sale/i18n/pl.po

addons/sale_coupon/i18n/ja.po

addons/sale_timesheet/i18n/ca.po

addons/stock/i18n/pl.po

addons/web/i18n/pl.po

addons/web_editor/i18n/ru.po

addons/website_membership/i18n/he.po

addons/website_slides/i18n/ja.po

addons/website_slides/i18n/ru.po

odoo/addons/base/i18n/ca.po

odoo/addons/base/i18n/fr.po