fix: web/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-REMIXRUNROUTER-14908530
- https://snyk.io/vuln/SNYK-JS-REACTROUTER-14908286
- https://snyk.io/vuln/SNYK-JS-REMIXRUNROUTER-14908287

Author: snyk-bot

web/package.json

@@ -20,7 +20,7 @@
     "react-intl": "^5.25.1",
     "react-intl-po": "^2.2.2",
     "react-redux": "^8.1.3",
-    "react-router-dom": "^6.20.0",
+    "react-router-dom": "^6.30.3",
     "react-scripts": "5.0.1",
     "redux": "^4.2.1",
     "redux-batched-actions": "^0.5.0",