[Playground dependencies]: Bump the dependencies-prod group

Bumps the dependencies-prod group in /playground with 4 updates: [react](https://github.com/facebook/react/tree/HEAD/packages/react), [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react), [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).


Updates `react` 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)

Updates `@types/react` from 18.3.12 to 19.0.1
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

playground/package.json

@@ -25,8 +25,8 @@
     "monaco-editor": "^0.52.0",
     "postcss": "^8.4.31",
     "postcss-rtlcss": "^5.5.1",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "react-github-btn": "^1.4.0"
   },
   "devDependencies": {
@@ -36,8 +36,8 @@
     "@babel/preset-typescript": "^7.26.0",
     "@types/eslint": "^9.6.1",
     "@types/node": "^22.10.1",
-    "@types/react": "^18.3.12",
-    "@types/react-dom": "^18.3.1",
+    "@types/react": "^19.0.1",
+    "@types/react-dom": "^19.0.1",
     "autoprefixer": "^10.4.20",
     "babel-loader": "^9.2.1",
     "classnames": "^2.5.1",