Correct travis.yml for bundler:audit
Correct travis.yml for bundler:audit

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