[tx-robot] updated from transifex

apps/files/l10n/ca.php

apps/files/l10n/de.php

apps/files/l10n/de_DE.php

apps/files/l10n/eu.php

apps/files/l10n/fr.php

apps/files/l10n/ta_LK.php

apps/files_external/l10n/ta_LK.php

apps/user_webdavauth/l10n/eu.php

apps/user_webdavauth/l10n/fr.php

core/l10n/eu.php

core/l10n/fr.php

l10n/ca/files.po

l10n/de/files.po

l10n/de_DE/files.po

l10n/eu/core.po

l10n/eu/files.po

l10n/eu/settings.po

l10n/eu/user_webdavauth.po

l10n/fr/core.po

l10n/fr/files.po