chore(deps-dev): bump react-test-renderer in /example

Bumps [react-test-renderer](https://github.com/facebook/react/tree/HEAD/packages/react-test-renderer) 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-test-renderer)

---
updated-dependencies:
- dependency-name: react-test-renderer
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

example/package.json

@@ -52,6 +52,6 @@
     "@types/react-test-renderer": "^18.0.0",
     "mocha": "^10.1.0",
     "postinstall-postinstall": "^2.1.0",
-    "react-test-renderer": "18.3.1"
+    "react-test-renderer": "19.0.0"
   }
 }