[tx-robot] updated from transifex

apps/files/l10n/en_GB.php

apps/files/l10n/es.php

apps/files/l10n/et_EE.php

apps/files/l10n/fr.php

apps/files/l10n/pt_PT.php

apps/files_encryption/l10n/en_GB.php

apps/files_encryption/l10n/es.php

apps/files_encryption/l10n/et_EE.php

apps/files_encryption/l10n/fr.php

apps/files_encryption/l10n/pl.php

apps/files_encryption/l10n/pt_PT.php

apps/files_external/l10n/ar.php

apps/files_sharing/l10n/ar.php

apps/files_sharing/l10n/bg_BG.php

apps/files_sharing/l10n/bn_BD.php

apps/files_sharing/l10n/ca.php

apps/files_sharing/l10n/cs_CZ.php

apps/files_sharing/l10n/cy_GB.php

apps/files_sharing/l10n/da.php

apps/files_sharing/l10n/de.php