update codegen package to 2.0.0

Author: charliecooper45

package-lock.json

@@ -18,7 +18,7 @@
     "typescript": "5.1.3"
   },
   "devDependencies": {
-    "@backengine/codegen": "^1.0.10",
+    "@backengine/codegen": "^2.0.0",
     "@types/node": "20.3.1",
     "@types/react": "18.2.12",
     "@types/react-dom": "18.2.5",