Add applied_at and filesize to update response
Add applied_at and filesize to update response

alphagov/trade-tariff-backend,alphagov/trade-tariff-backend,bitzesty/trade-tariff-backend,bitzesty/trade-tariff-backend,leftees/trade-tariff-backend,bitzesty/trade-tariff-backend,leftees/trade-tariff-backend,leftees/trade-tariff-backend,alphagov/trade-tariff-backend