Pontoon: Update Portuguese (pt-BR) localization of Mozilla Learning Network
Pontoon: Update Portuguese (pt-BR) localization of Mozilla Learning Network

Localization authors:
- Maykon Chagas <mchagas@riseup.net>

mozilla/teach.mozilla.org,mozilla/teach.mozilla.org,mozilla/teach.webmaker.org,mozilla/teach.webmaker.org,mozilla/learning.mozilla.org