Update strings.xml
Merge pull request #685 from GiZig/patch-18

Update strings.xml
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Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.
Translated using Weblate.