use 18 for @types/react and @types/react-dom

Author: sommeeeer

examples/app-router/package.json

@@ -20,17 +20,11 @@
   },
   "devDependencies": {
     "@types/node": "20.5.0",
-    "@types/react": "npm:types-react@19.0.0-rc.1",
-    "@types/react-dom": "npm:types-react-dom@19.0.0-rc.1",
+    "@types/react": "18.2.20",
+    "@types/react-dom": "18.2.7",
     "autoprefixer": "10.4.15",
     "postcss": "8.4.27",
     "tailwindcss": "3.3.3",
     "typescript": "^4.9.3"
-  },
-  "pnpm": {
-    "overrides": {
-      "@types/react": "npm:types-react@19.0.0-rc.1",
-      "@types/react-dom": "npm:types-react-dom@19.0.0-rc.1"
-    }
   }
 }