Add webpack do dependencies list to fix firebase

Author: rvsia

packages/react-renderer-demo/package.json

@@ -56,7 +56,8 @@
         "react-dom": "^17.0.2",
         "react-github-buttons": "^0.5.0",
         "react-sticky-box": "^0.9.3",
-        "terser-webpack-plugin": "^5.2.4"
+        "terser-webpack-plugin": "^5.2.4",
+        "webpack": "^5.52.1"
     },
     "devDependencies": {
         "@babel/cli": "^7.12.10",