Also upgrade react-router to latest 5.x

This will be required for React 18, so just getting ahead of it here.

Author: Mr0grog

package-lock.json

@@ -38,7 +38,7 @@
     "react": "^17.0.2",
     "react-aria-modal": "^5.0.2",
     "react-dom": "^17.0.2",
-    "react-router-dom": "^5.3.0",
+    "react-router-dom": "^5.3.4",
     "react-tooltip": "^5.29.1",
     "style-loader": "^4.0.0",
     "webpack": "^5.99.9",