Pontoon: Update Italian (it) localization of Firefox Screenshots
Pontoon: Update Italian (it) localization of Firefox Screenshots

Localization authors:
- Sara Todaro <sara.todaro@mozillaitalia.org>

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