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

Co-authored-by: Michele Rodaro <648f24f13ed19bf6b28ae2274099592cd22cbe66@mozillaitalia.org>

mozilla/addons-server,mozilla/addons-server,mozilla/olympia,mozilla/olympia,mozilla/olympia,diox/olympia,mozilla/olympia,wagnerand/addons-server,diox/olympia,mozilla/addons-server,wagnerand/addons-server,mozilla/addons-server,wagnerand/addons-server,diox/olympia,wagnerand/addons-server,diox/olympia