Odoo Server saas~14.4 - en to nb translation catalogue (4 entries)

note: module: mass_mailing_event
en: Contact Attendees
nb: Kontakt deltakere

note: module: mass_mailing_event
en: Event
nb: Arrangement

note: module: mass_mailing_event
en: Event Registration
nb: Arrangementregistrering

note: module: mass_mailing_event
en: Invite
nb: Inviter
