New Brazilian translations (#7471)

* New Brazilian translations

* Update translation of R-pt_BR.po

* Fix project version

* Review R-pt_BR.po translation

* Adjust data.table article

* Update translation of pt_BR.po

* Delete deprecated messages

* compile

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Co-authored-by: Rafael Fontenelle <rffontenelle@gmail.com>
Co-authored-by: Leonardo Fontenelle <leonardof@leonardof.med.br>

Author: 3 people