Update sequelize and sequelize-cli

package.json

@@ -33,8 +33,8 @@
     "mysql2": "^1.4.2",
     "preview-link": "0.0.0",
     "randomcolor": "^0.4.4",
-    "sequelize": "^3.30.0",
-    "sequelize-cli": "^2.8.0",
+    "sequelize": "^3.33.0",
+    "sequelize-cli": "^4.1.1",
     "sharp": "^0.18.4",
     "slug": "^0.9.1",
     "socket.io": "^1.7.3"