Pontoon: Update Russian (ru) localization of Firefox Screenshots
Pontoon: Update Russian (ru) localization of Firefox Screenshots

Localization authors:
- Victor Bychek <a@bychek.ru>

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