Bump react-router from 4.2.0 to 5.3.4

Bumps [react-router](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router) from 4.2.0 to 5.3.4.
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/main/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/v5.3.4/packages/react-router)

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

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

package.json

@@ -39,7 +39,7 @@
     "react-copy-to-clipboard": "~5.1.0",
     "react-dom": "~16.14.0",
     "react-redux": "~8.1.3",
-    "react-router": "~4.2.0",
+    "react-router": "~5.3.4",
     "react-router-dom": "~4.2.2",
     "react-youtube": "~10.1.0",
     "redux-logger": "~3.0.6",