Merge pull request #41 from jagql/greenkeeper/@types/sequelize-4.27.31

Update @types/sequelize to the latest version 🚀

Author: championswimmer

package-lock.json

@@ -31,7 +31,7 @@
     "yarn": ">=1"
   },
   "dependencies": {
-    "@types/sequelize": "4.27.30",
+    "@types/sequelize": "4.27.31",
     "async": "2.6.1",
     "debug": "4.1.0",
     "joi": "14.0.4",