en to pt translation catalogue (4 entries)

[ctx: field:carrier,shipping_service:]
en: Shipping Service
pt: Serviço de Envio

[ctx: field:stock.package,shipping_label:]
en: Shipping Label
pt: Etiquetas de envio

[ctx: field:stock.package,shipping_reference:]
en: Shipping Reference
pt: Referência de Envio

[ctx: field:stock.shipment.out,shipping_description:]
en: Shipping Description
pt: Descrição do Envio
