* Added 'Brazilian Portuguese' to the list of supported translation
languages in both backend and frontend.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added Brazilian Portuguese as a supported translation language across
the app.
* Brazilian Portuguese now appears in language selection for translation
actions.
* AI translation prompts now include Brazilian Portuguese as a valid
target option.
* No other translation behaviors or controls were modified.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Co-authored-by: DarkSky <25152247+darkskygit@users.noreply.github.com>