[dependency]: bump react-router-dom in /explorer/frontend

Bumps [react-router-dom](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router-dom) from 6.11.2 to 6.16.0.
- [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/react-router-dom@6.16.0/packages/react-router-dom)

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

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

explorer/frontend/package.json

@@ -25,7 +25,7 @@
     "react-dom": "^17.0.2",
     "react-intersection-observer": "^9.5.1",
     "react-markdown": "^8.0.7",
-    "react-router-dom": "^6.11.2",
+    "react-router-dom": "^6.16.0",
     "react-scripts": "5.0.1",
     "react-tabs": "^4.3.0",
     "react-toastify": "^9.1.3",