Translation of Sign in with Apple button

Hi,
Is it possible to translate Sign in with Apple button to Portuguese (PT-BR)? If it is, what's the correct translation according Apple guidelines?

You can check every official tranlations at this page : https://appleid.apple.com/signinwithapple/button

Tried this page, but there is no changes in html code, when we try to change the language.

Translation of Sign in with Apple button
 
 
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