Merge pull request kentloog#3 from kentloog/dependabot/npm_and_yarn/sequelize-5.15.1

Bump sequelize from 5.7.5 to 5.15.1

Author: kentloog

package-lock.json

@@ -57,7 +57,7 @@
         "reflect-metadata": "^0.1.12",
         "rimraf": "^2.6.2",
         "rxjs": "^6.3.3",
-        "sequelize": "^5.7.5",
+        "sequelize": "^5.15.1",
         "sequelize-cli": "^5.4.0",
         "sequelize-typescript": "^0.6.10",
         "swagger-ui-express": "^4.0.2"