Mark translatable strings

[SarahW91]

Description

Marked two strings as translatable via i18next.t that were previously not

Checklist

• I'm aware of the code of conduct.
• I've created logical separate commits and followed the commit message format.
• I've marked translation strings.
• I've identified the copyright holder(s) and updated copyright headers for touched files (>15 lines contributions).
• I've NOT included third-party code (copy/pasted source code or new dependencies).
  • If you have added third-party code (copy/pasted or new dependencies), please reach out to an architect on Discord.

[Samk13]

Thanks for this @SarahW91!
You can omit the second commit, as it’s not needed. This step will happen automatically upon publish, see: https://github.com/inveniosoftware/workflows/blob/master/.github/workflows/pypi-publish.yml#L73
Once that's done its good to go!

[SarahW91]

Thanks for that hint, I removed the commit!