Pontoon: Update Portuguese (pt-BR) localization of MDN
Pontoon: Update Portuguese (pt-BR) localization of MDN

Localization authors:
- Cynthia Pereira <cynthiacpereira@gmail.com>

a2sheppy/kuma,SphinxKnight/kuma,Elchi3/kuma,SphinxKnight/kuma,jwhitlock/kuma,safwanrahman/kuma,SphinxKnight/kuma,safwanrahman/kuma,mozilla/kuma,Elchi3/kuma,mozilla/kuma,Elchi3/kuma,jwhitlock/kuma,ollie314/kuma,jwhitlock/kuma,yfdyh000/kuma,mozilla/kuma,yfdyh000/kuma,yfdyh000/kuma,yfdyh000/kuma,safwanrahman/kuma,SphinxKnight/kuma,SphinxKnight/kuma,escattone/kuma,Elchi3/kuma,yfdyh000/kuma,ollie314/kuma,a2sheppy/kuma,ollie314/kuma,a2sheppy/kuma,escattone/kuma,SphinxKnight/kuma,escattone/kuma,safwanrahman/kuma,safwanrahman/kuma,a2sheppy/kuma,safwanrahman/kuma,mozilla/kuma,ollie314/kuma,Elchi3/kuma,yfdyh000/kuma,jwhitlock/kuma,mozilla/kuma,a2sheppy/kuma,ollie314/kuma,jwhitlock/kuma,ollie314/kuma