[tx-robot] updated from transifex

apps/files/l10n/lt_LT.js

apps/files/l10n/lt_LT.json

apps/files/l10n/mk.js

apps/files/l10n/mk.json

apps/files/l10n/nb.js

apps/files/l10n/nb.json

apps/files/l10n/nl.js

apps/files/l10n/nl.json

apps/files/l10n/pl.js

apps/files/l10n/pl.json

apps/files/l10n/pt_BR.js

apps/files/l10n/pt_BR.json

apps/files/l10n/ru.js

apps/files/l10n/ru.json

apps/files/l10n/sk.js

apps/files/l10n/sk.json

apps/files/l10n/sl.js

apps/files/l10n/sl.json

apps/files/l10n/sr.js

apps/files/l10n/sr.json