Pin sequelize version

Author: rafiss

node/sequelize/package.json

@@ -8,7 +8,7 @@
   "dependencies": {
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
-    "sequelize": "^6.6.5",
-    "sequelize-cockroachdb": "^6.0.2"
+    "sequelize": "6.6.5",
+    "sequelize-cockroachdb": "6.0.3"
   }
 }