Odoo Server 15.0+e - en to es_MX translation catalogue (3 entries)

note: module: mass_mailing_event_track
en: Contact Track Speakers
es_MX: Contactar a los oradores del evento

note: module: mass_mailing_event_track
en: Event
es_MX: Evento

note: module: mass_mailing_event_track
en: Event Track
es_MX: Sesión del evento
