[I18N] Update translation terms from Transifex

addons/google_drive/i18n/es.po

addons/google_drive/i18n/zh_CN.po

addons/mail/i18n/he.po

addons/mail/i18n/mn.po

addons/point_of_sale/i18n/lt.po

addons/pos_adyen/i18n/lt.po

addons/pos_mercury/i18n/lt.po

addons/pos_six/i18n/lt.po

addons/survey/i18n/ca.po

addons/survey/i18n/lt.po

addons/web_editor/i18n/zh_CN.po

addons/website/i18n/ca.po

addons/website/i18n/es.po

addons/website_blog/i18n/ca.po

addons/website_blog/i18n/es.po

addons/website_event_track/i18n/ca.po

addons/website_forum/i18n/ca.po

addons/website_forum/i18n/es.po

addons/website_hr_recruitment/i18n/ca.po

addons/website_profile/i18n/ca.po