[#2981] Update client/src/translations/fr.json
[#2981] Update client/src/translations/fr.json

By @valllllll2000

Co-authored-by: Valeria Rogatchevskikh <dca3c169ada6de4f647fa14074b83211b98cb516@akvo.org>
akvo/akvo-lumen,akvo/akvo-lumen