Pontoon: Update Punjabi (pa-IN) localization of AMO Frontend
Pontoon: Update Punjabi (pa-IN) localization of AMO Frontend

Localization authors:
- Aman Alam <amanpreet.alam@gmail.com>

mozilla/addons-frontend,mozilla/addons-frontend,kumar303/addons-frontend,mozilla/addons-frontend,mozilla/addons-frontend,kumar303/addons-frontend,kumar303/addons-frontend,kumar303/addons-frontend