Pontoon: Update French (fr) localization of AMO Frontend
Pontoon: Update French (fr) localization of AMO Frontend

Localization authors:
- corentin.jacquet <corentin.jacquet@telecomnancy.net>

kumar303/addons-frontend,mozilla/addons-frontend,mozilla/addons-frontend,mozilla/addons-frontend,kumar303/addons-frontend,kumar303/addons-frontend,mozilla/addons-frontend,kumar303/addons-frontend