[I18N] Update translation terms from Transifex

addons/account/i18n/et.po

addons/account/i18n/fa.po

addons/account/i18n/it.po

addons/base_automation/i18n/pt_BR.po

addons/contacts/i18n/it.po

addons/crm/i18n/fa.po

addons/crm_reveal/i18n/fa.po

addons/crm_reveal/i18n/it.po

addons/crm_reveal/i18n/sk.po

addons/decimal_precision/i18n/fa.po

addons/fleet/i18n/cs.po

addons/fleet/i18n/fa.po

addons/hr/i18n/fa.po

addons/hr/i18n/uk.po

addons/hr_contract/i18n/fa.po

addons/hr_contract/i18n/zh_CN.po

addons/hr_expense/i18n/fa.po

addons/hr_expense/i18n/sk.po

addons/hr_holidays/i18n/fa.po

addons/hr_payroll/i18n/cs.po