An in-range update of @types/sequelize is breaking the build 🚨

## The devDependency [@types/sequelize](https://github.com/DefinitelyTyped/DefinitelyTyped) was updated from `4.27.27` to `4.27.28`.

🚨 [View failing branch](https://github.com/coding-blocks/judge-api/compare/master...coding-blocks:greenkeeper%2F%40types%2Fsequelize-4.27.28).

This version is **covered** by your **current version range** and after updating it in your project **the build failed**.

@types/sequelize is a devDependency of this project. It **might not break your production code or affect downstream projects**, but probably breaks your build or test tools, which may **prevent deploying or publishing**.

Status Details

- ❌ **ci/circleci:** Your tests failed on CircleCI ([Details](https://circleci.com/gh/coding-blocks/judge-api/71?utm_campaign=vcs-integration-link&utm_medium=referral&utm_source=github-build-link)).
- ❌ **continuous-integration/travis-ci/push:** The Travis CI build is in progress ([Details](https://travis-ci.org/coding-blocks/judge-api/builds/439316029?utm_source=github_status&utm_medium=notification)).

---

FAQ and help

There is a collection of [frequently asked questions](https://greenkeeper.io/faq.html). If those don’t help, you can always [ask the humans behind Greenkeeper](https://github.com/greenkeeperio/greenkeeper/issues/new).

---

Your [Greenkeeper](https://greenkeeper.io) Bot :palm_tree: