[tx-robot] updated from transifex

apps/files/l10n/cs_CZ.php

apps/files_sharing/l10n/cs_CZ.php

apps/files_sharing/l10n/ru.php

apps/files_trashbin/l10n/nl.php

apps/files_trashbin/l10n/ru.php

core/l10n/cs_CZ.php

core/l10n/ru.php

l10n/af_ZA/files_encryption.po

l10n/ar/files.po

l10n/ar/files_encryption.po

l10n/be/files_encryption.po

l10n/bg_BG/files.po

l10n/bg_BG/files_encryption.po

l10n/bn_BD/files.po

l10n/bn_BD/files_encryption.po

l10n/bs/files.po

l10n/bs/files_encryption.po

l10n/ca/files.po

l10n/ca/files_encryption.po

l10n/cs_CZ/core.po