[Demo Dependencies]: Bump the dependencies-prod group

Bumps the dependencies-prod group in /docs-src with 3 updates: [react](https://github.com/facebook/react/tree/HEAD/packages/react), [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) and [react-router-dom](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router-dom).


Updates `react` from 18.2.0 to 18.3.1
- [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/v18.3.1/packages/react)

Updates `react-dom` from 18.2.0 to 18.3.1
- [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/v18.3.1/packages/react-dom)

Updates `react-router-dom` from 6.22.3 to 6.23.0
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/main/packages/react-router-dom/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/[email protected]/packages/react-router-dom)

---
updated-dependencies:
- dependency-name: react
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies-prod
- dependency-name: react-dom
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies-prod
- dependency-name: react-router-dom
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies-prod
...

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

docs-src/package.json

@@ -23,9 +23,9 @@
   "dependencies": {
     "isometric-css": "^2.2.4",
     "outdent": "^0.8.0",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
-    "react-router-dom": "^6.22.3",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
+    "react-router-dom": "^6.23.0",
     "react-syntax-highlighter": "^15.5.0"
   },
   "devDependencies": {