Update pt-BR.i18n.json (#15083)
Update pt-BR.i18n.json (#15083)

Fix wrong word.
subesokun/Rocket.Chat,Sing-Li/Rocket.Chat,Sing-Li/Rocket.Chat,VoiSmart/Rocket.Chat,subesokun/Rocket.Chat,VoiSmart/Rocket.Chat,Sing-Li/Rocket.Chat,subesokun/Rocket.Chat,subesokun/Rocket.Chat,VoiSmart/Rocket.Chat,Sing-Li/Rocket.Chat