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

Localization authors:
- Sara Todaro <sara.todaro@mozillaitalia.org>
- Sandro Della Giustina <gialloporpora@mozillaitalia.org>

SphinxKnight/kuma,a2sheppy/kuma,SphinxKnight/kuma,Elchi3/kuma,a2sheppy/kuma,jwhitlock/kuma,SphinxKnight/kuma,jwhitlock/kuma,Elchi3/kuma,mozilla/kuma,escattone/kuma,SphinxKnight/kuma,yfdyh000/kuma,SphinxKnight/kuma,jwhitlock/kuma,jwhitlock/kuma,yfdyh000/kuma,escattone/kuma,SphinxKnight/kuma,safwanrahman/kuma,escattone/kuma,mozilla/kuma,Elchi3/kuma,safwanrahman/kuma,yfdyh000/kuma,safwanrahman/kuma,Elchi3/kuma,a2sheppy/kuma,safwanrahman/kuma,safwanrahman/kuma,mozilla/kuma,mozilla/kuma,a2sheppy/kuma,Elchi3/kuma,yfdyh000/kuma,a2sheppy/kuma,yfdyh000/kuma,safwanrahman/kuma,yfdyh000/kuma,jwhitlock/kuma,mozilla/kuma