[tx-robot] updated from transifex

apps/encryption/l10n/en_GB.js

apps/encryption/l10n/en_GB.json

apps/encryption/l10n/vi.js

apps/encryption/l10n/vi.json

apps/files/l10n/vi.js

apps/files/l10n/vi.json

apps/files_external/l10n/da.js

apps/files_external/l10n/da.json

apps/files_external/l10n/en_GB.js

apps/files_external/l10n/en_GB.json

apps/files_external/l10n/fr.js

apps/files_external/l10n/fr.json

apps/files_external/l10n/sr.js

apps/files_external/l10n/sr.json

apps/files_external/l10n/vi.js

apps/files_external/l10n/vi.json

apps/files_sharing/l10n/da.js

apps/files_sharing/l10n/da.json

apps/files_sharing/l10n/el.js

apps/files_sharing/l10n/el.json