fix(i18n): Translations update from Weblate (#1566)

* Translated using Weblate (Czech)

Currently translated at 100.0% (187 of 187 strings)

Co-authored-by: Bohumil Havel <bhavelbrno@seznam.cz>
Translate-URL: https://translate-h5p.tk/weblate/projects/lumi-education/lumi-app/cs/
Translation: Lumi Education/Lumi App

* Translated using Weblate (Portuguese)

Currently translated at 100.0% (187 of 187 strings)

Co-authored-by: Carlos Baptista <baptista.carlos@gmail.com>
Co-authored-by: Weblate <noreply@weblate.org>
Translate-URL: https://translate-h5p.tk/weblate/projects/lumi-education/lumi-app/pt/
Translation: Lumi Education/Lumi App

Co-authored-by: Weblate <noreply@weblate.org>
Co-authored-by: Bohumil Havel <bhavelbrno@seznam.cz>
Co-authored-by: Carlos Baptista <baptista.carlos@gmail.com>