[tx-robot] updated from transifex

apps/files/l10n/es.js

apps/files/l10n/es.json

apps/files/l10n/sr.js

apps/files/l10n/sr.json

apps/files_encryption/l10n/es.js

apps/files_encryption/l10n/es.json

apps/files_encryption/l10n/sr.js

apps/files_encryption/l10n/sr.json

apps/files_external/l10n/es.js

apps/files_external/l10n/es.json

apps/files_sharing/l10n/es.js

apps/files_sharing/l10n/es.json

apps/files_sharing/l10n/sr.js

apps/files_sharing/l10n/sr.json

apps/files_trashbin/l10n/sr.js

apps/files_trashbin/l10n/sr.json

apps/user_webdavauth/l10n/sr.js

apps/user_webdavauth/l10n/sr.json

core/l10n/es.js

core/l10n/es.json