Added pt-BR localization to strapi-plugin-upload

[dsoaress]

Description of what you did:

Created pt-BR localization to strapi-plugin-upload

Test Suites: 153 passed, 153 total
Tests:       680 passed, 680 total
Snapshots:   8 passed, 8 total
Time:        40.478 s
Ran all test suites.
Done in 42.14s.

[codecov]

Codecov Report

Merging #7375 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #7375   +/-   ##
=======================================
  Coverage   26.22%   26.22%           
=======================================
  Files        1131     1131           
  Lines       15433    15433           
  Branches     2443     2443           
=======================================
  Hits         4048     4048           
  Misses       9565     9565           
  Partials     1820     1820           

Flag	Coverage Δ
#front	18.26% <ø> (ø)
#unit	53.14% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...rapi-plugin-upload/admin/src/translations/index.js	0.00% <ø> (ø)

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[soupette]

LGTM