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

Localization authors:
- Francesco Lodolo <francesco.lodolo@mozillaitalia.org>

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