Translations update from Weblate (#6049)

* [Web] Updated lang.cs-cz.json

Co-authored-by: Kristian Feldsam <feldsam@gmail.com>

* [Web] Updated lang.fr-fr.json

Co-authored-by: Samuel F <20537389+samuelfranzini@users.noreply.github.com>

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Co-authored-by: Kristian Feldsam <feldsam@gmail.com>
Co-authored-by: Samuel F <20537389+samuelfranzini@users.noreply.github.com>