[LyX/master] pt_BR.po: update from Georger

[Juergen Spitzmueller]

commit 7af089b92bc65bf8e2230bf2b6f365220d56a67f
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Wed Jun 2 17:49:48 2021 +0200

    pt_BR.po: update from Georger

 po/pt_BR.po | 3203 +++++++++++++++++++++++++----------------------------------
 1 files changed, 1365 insertions(+), 1838 deletions(-)