[tx-robot] updated from transifex

apps/comments/l10n/ja.js

apps/comments/l10n/ja.json

apps/files/l10n/zh_CN.js

apps/files/l10n/zh_CN.json

apps/oauth2/l10n/is.js

apps/oauth2/l10n/is.json

apps/systemtags/l10n/is.js

apps/systemtags/l10n/is.json

apps/twofactor_backupcodes/l10n/is.js

apps/twofactor_backupcodes/l10n/is.json

apps/workflowengine/l10n/zh_CN.js

apps/workflowengine/l10n/zh_CN.json

core/l10n/ar.js

core/l10n/ar.json

core/l10n/is.js

core/l10n/is.json

core/l10n/ja.js

core/l10n/ja.json