Translations update from Hosted Weblate (#6195)

Translations update from [Hosted Weblate](https://hosted.weblate.org) for [Hedy/Adventures](https://hosted.weblate.org/projects/hedy/adventures/).


It also includes following components:

* [Hedy/Workbooks](https://hosted.weblate.org/projects/hedy/workbooks/)

* [Hedy/client-messages](https://hosted.weblate.org/projects/hedy/client-messages/)

* [Hedy/Webpages](https://hosted.weblate.org/projects/hedy/webpages/)

* [Hedy/Keywords](https://hosted.weblate.org/projects/hedy/keywords/)

* [Hedy/Texts](https://hosted.weblate.org/projects/hedy/web-texts/)

* [Hedy/slides](https://hosted.weblate.org/projects/hedy/slides/)



Current translation status:

![Weblate translation status](https://hosted.weblate.org/widget/hedy/adventures/horizontal-auto.svg)