[tx-robot] updated from transifex

apps/encryption/l10n/pt_PT.js

apps/encryption/l10n/pt_PT.json

apps/files/l10n/pt_PT.js

apps/files/l10n/pt_PT.json

apps/files_external/l10n/pt_PT.js

apps/files_external/l10n/pt_PT.json

apps/files_sharing/l10n/pt_PT.js

apps/files_sharing/l10n/pt_PT.json

apps/oauth2/l10n/pt_PT.js

apps/oauth2/l10n/pt_PT.json

settings/l10n/pt_PT.js

settings/l10n/pt_PT.json

settings/l10n/sk.js

settings/l10n/sk.json