Pontoon: Update Mixtepec Mixtec (mix) localization of Firefox Send Co-authored-by: Bald3mar <baldemarls@gmail.com>
Pontoon: Update Mixtepec Mixtec (mix) localization of Firefox Send
Co-authored-by: Bald3mar <8cbff9241c0a0409e2848d9aeef9f42c3da90abb@gmail.com>

mozilla/send,mozilla/send,mozilla/send,mozilla/send,mozilla/send