update dependencies to test react 19.1

Author: ianmacartney

example/package.json

@@ -4,7 +4,8 @@
   "type": "module",
   "version": "0.0.0",
   "scripts": {
-    "dev": "convex dev --live-component-sources --typecheck-components",
+    "dev": "run-p dev:backend dev:frontend",
+    "dev:backend": "convex dev --live-component-sources --typecheck-components",
     "dev:frontend": "vite",
     "logs": "convex logs",
     "lint": "tsc -p convex && eslint convex"
@@ -15,22 +16,23 @@
     "clsx": "^2.1.1",
     "convex": "file:../node_modules/convex",
     "openai": "^4.85.4",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react": "^19.1.0",
+    "react-dom": "^19.1.0",
     "react-markdown": "^10.0.0",
     "tailwind-merge": "^3.0.2",
     "tailwindcss": "^4.0.9"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3.1.0",
     "@eslint/js": "^9.9.0",
-    "@types/react": "^18.3.3",
-    "@types/react-dom": "^18.3.0",
+    "@types/react": "^19.1.4",
+    "@types/react-dom": "^19.1.5",
     "@vitejs/plugin-react": "^4.3.1",
     "eslint": "^9.9.0",
     "eslint-plugin-react-hooks": "^5.1.0-rc.0",
     "eslint-plugin-react-refresh": "^0.4.9",
     "globals": "^15.9.0",
+    "npm-run-all2": "^8.0.1",
     "typescript": "^5.5.0",
     "typescript-eslint": "^8.0.1",
     "vite": "^5.4.1"