build: move react-scripts to dev-dependencies

See this issue <facebook/create-react-app#11174> for details.

Author: edwardzjl

web/package.json

@@ -13,7 +13,6 @@
     "react-dom": "^18.3.1",
     "react-markdown": "^9.0.1",
     "react-router-dom": "^6.26.2",
-    "react-scripts": "5.0.1",
     "react-syntax-highlighter": "^15.5.0",
     "react-window": "^1.8.10",
     "remark-gfm": "^4.0.0",
@@ -46,6 +45,7 @@
     ]
   },
   "devDependencies": {
+    "react-scripts": "5.0.1",
     "@babel/plugin-proposal-private-property-in-object": "^7.21.11",
     "@testing-library/jest-dom": "^6.5.0",
     "@testing-library/react": "^15.0.7",