Add Spanish and Portuguese to lingui locales

[daniellemaxwell]

Scope of changes

Add Spanish and Portuguese to locales in lingui config. Also, runs an extraction to create .po files where translations will be added for both languages.

Type of change

• bug fix
• new feature
• documentation
• other (internationalization)

Acceptance criteria

Describe how reviewers can test this change to be sure that it works correctly. Add a checklist if possible

Author checklist

• I have manually tested the change and/or added automation in the form of unit tests or integration tests
• I have updated the dependencies list
• I have recompiled and included new protocol buffers to reflect changes I made
• I have added new test fixtures as needed to support added tests
• Check this box if a reviewer can merge this pull request after approval (leave it unchecked if you want to do it yourself)
• I have moved the associated Shortcut story to "Ready for Review"

Reviewer(s) checklist

• Any new user-facing content that has been added for this PR has been QA'ed to ensure correct grammar, spelling, and understandability.

[rebeccabilbro]

Looks great @daniellemaxwell ! Thank you for laying the groundwork for these new doc translations!