[FIX] project_scrum: Translations

addons/project_scrum/i18n/ar.po

addons/project_scrum/i18n/bg.po

addons/project_scrum/i18n/bs.po

addons/project_scrum/i18n/ca.po

addons/project_scrum/i18n/cs.po

addons/project_scrum/i18n/de.po

addons/project_scrum/i18n/es.po

addons/project_scrum/i18n/es_AR.po

addons/project_scrum/i18n/et.po

addons/project_scrum/i18n/fr.po

addons/project_scrum/i18n/hr.po

addons/project_scrum/i18n/hu.po

addons/project_scrum/i18n/id.po

addons/project_scrum/i18n/it.po

addons/project_scrum/i18n/ko.po

addons/project_scrum/i18n/lt.po

addons/project_scrum/i18n/nl.po

addons/project_scrum/i18n/nl_BE.po

addons/project_scrum/i18n/pl.po

addons/project_scrum/i18n/project_scrum.pot