chore: bump react-dom and @types/react-dom

Bumps [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) and [@types/react-dom](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-dom). These dependencies needed to be updated together.

Updates `react-dom` from 18.3.1 to 19.0.0
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.0.0/packages/react-dom)

Updates `@types/react-dom` from 18.3.1 to 19.0.1
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-dom)

---
updated-dependencies:
- dependency-name: react-dom
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/react-dom"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

playground/package.json

@@ -21,12 +21,12 @@
     "eslint-plugin-react-hooks": "^5.1.0",
     "monaco-editor": "^0.52.0",
     "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react-dom": "^19.0.0",
     "react-resizable-panels": "^2.1.7"
   },
   "devDependencies": {
     "@types/react": "^18.3.12",
-    "@types/react-dom": "^18.3.1",
+    "@types/react-dom": "^19.0.1",
     "@vitejs/plugin-react-swc": "^3.7.2",
     "autoprefixer": "^10.4.20",
     "tailwindcss": "^3.4.15",