[tx-robot] updated from transifex

apps/files/l10n/fr.js

apps/files/l10n/fr.json

apps/files/l10n/it.js

apps/files/l10n/it.json

apps/files/l10n/pt_BR.js

apps/files/l10n/pt_BR.json

apps/files/l10n/sr.js

apps/files/l10n/sr.json

apps/files_external/l10n/fr.js

apps/files_external/l10n/fr.json

apps/files_external/l10n/it.js

apps/files_external/l10n/it.json

apps/files_external/l10n/pt_BR.js

apps/files_external/l10n/pt_BR.json

apps/files_external/l10n/sr.js

apps/files_external/l10n/sr.json

apps/files_sharing/l10n/fr.js

apps/files_sharing/l10n/fr.json

apps/files_sharing/l10n/it.js

apps/files_sharing/l10n/it.json