As a follow-up of PLANET-5272 we should harmonise the work our colleagues sinder has started to get language locales across tools.

Here's the document --> https://docs.google.com/spreadsheets/d/1WShaRgIWWAfEEP27VIK3TIr1amETRnfE3uL3MJ9A50w/edit#gid=0

tasks

• Apply language/region code changes from Shawn to https://github.com/greenpeace/planet4-master-theme/blob/master/templates/countries.json