fix(deps): update dependency sequelize to v6 [security]

Author: renovate[bot]

package-lock.json

@@ -63,7 +63,7 @@
     "request-ip": "2.1.3",
     "rimraf": "3.0.2",
     "rxjs": "6.5.5",
-    "sequelize": "5.21.9",
+    "sequelize": "6.29.0",
     "sequelize-typescript": "1.1.0",
     "swagger-ui-express": "4.1.4",
     "tinify": "1.6.0-beta.2"