Looking at the merged PRs this is the list of people that contribute to the Portuguese Translation and should be listed as author of the Translation:

1. Pedro Faria
2. Beatriz Milz
3. Francesca Palmeira
4. Samuel Carleial
5. Marcelo S. Perlin
6. Ariana Cabral
7. Ildeberto Vasconcelos
8. Daniel Vartanian
9. Rafael Fontenelle
10. João Granja-Correia