Pontoon: Update Bengali (bn) localization of Firefox Screenshots
Pontoon: Update Bengali (bn) localization of Firefox Screenshots

Localization authors:
- Belayet Hossain <bellayet@gmail.com>
- sadi06888 <sadi06888@gmail.com>

mozilla-services/screenshots,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/pageshot,mozilla-services/screenshots,mozilla-services/pageshot