feat(admin-ui): pt-BR translations and en version text fixes (#5066)

# feat(localization): Add pt-BR translation and fix en version text

## Summary

This PR aims to improve Medusa's localization experience. It includes new translations for Brazilian Portuguese (pt-BR) and minor text adjustments in the English version.


## Objectives

- Add Brazilian Portuguese (pt-BR) language support
- Refine text consistency and clarity in the English version


## Details

### 1. Brazilian Portuguese Translations (pt-BR)

New translations have been added to enhance accessibility and user experience for brazilian users.

### 2. Minor Text Adjustments in English

Text in the English version has been adjusted.


## Next Steps

Pending review, additional adjustments may be made based on feedback.

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I'm looking forward to your feedback and collaboration to further improve this tool. Please review and let me know if any adjustments are required.

Best Regards,
Rodrigo da Hora.

Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

.changeset/quiet-snakes-speak.md

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+"@medusajs/admin-ui": patch
+"@medusajs/admin": patch
+---
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+feat(admin-ui): pt-BR translations and en version text fixes