Pontoon: Update Italian (it) localization of MDN
Pontoon: Update Italian (it) localization of MDN

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

mozilla/kuma,Elchi3/kuma,a2sheppy/kuma,jwhitlock/kuma,a2sheppy/kuma,mozilla/kuma,SphinxKnight/kuma,mozilla/kuma,a2sheppy/kuma,SphinxKnight/kuma,mozilla/kuma,Elchi3/kuma,mozilla/kuma,jwhitlock/kuma,escattone/kuma,SphinxKnight/kuma,jwhitlock/kuma,a2sheppy/kuma,Elchi3/kuma,SphinxKnight/kuma,Elchi3/kuma,SphinxKnight/kuma,a2sheppy/kuma,SphinxKnight/kuma,Elchi3/kuma,escattone/kuma,escattone/kuma,jwhitlock/kuma,jwhitlock/kuma