chore(package): update sequelize-cli to version 5.5.1

Closes #12

Author: greenkeeper[bot]

package.json

@@ -52,6 +52,6 @@
     "jest": "23.5.0",
     "node-dev": "^3.1.3",
     "prettier-eslint": "^8.8.2",
-    "sequelize-cli": "^4.0.0"
+    "sequelize-cli": "^5.5.1"
   }
 }