fix(module:i18n): update pt_BR.ts translations

[deivisonrpg]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Application (the showcase website) / infrastructure changes
[x] Other... Please describe: I18n pt_BR update

What is the current behavior?

There are missing translations keys and a spelling error

Issue Number: N/A

What is the new behavior?

Adding missing translations from the en_US file to the pt_BR file.

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[zorro-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #7218 (f6aba2d) into master (662648c) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #7218   +/-   ##
=======================================
  Coverage   91.72%   91.72%           
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  Files         486      486           
  Lines       15918    15918           
  Branches     2588     2588           
=======================================
  Hits        14601    14601           
  Misses       1004     1004           
  Partials      313      313           

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