[tx-robot] updated from transifex

apps/files/l10n/cy_GB.php

apps/files_external/l10n/cy_GB.php

apps/files_sharing/l10n/cy_GB.php

apps/files_trashbin/l10n/cy_GB.php

core/l10n/cy_GB.php

l10n/af_ZA/lib.po

l10n/ar/lib.po

l10n/be/lib.po

l10n/bg_BG/lib.po

l10n/bn_BD/lib.po

l10n/ca/lib.po

l10n/cs_CZ/lib.po

l10n/cy_GB/core.po

l10n/cy_GB/files.po

l10n/cy_GB/files_external.po

l10n/cy_GB/files_sharing.po

l10n/cy_GB/files_trashbin.po

l10n/cy_GB/lib.po

l10n/cy_GB/settings.po

l10n/da/lib.po