fix: upgrade react-router from 7.1.5 to 7.9.3

Snyk has created this PR to upgrade react-router from 7.1.5 to 7.9.3.

See this package in npm:
react-router

See this project in Snyk:
https://app.snyk.io/org/colhodm/project/98dfc0ca-c297-4f7c-9aaa-1878634708d1?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

tools/server/webui/package-lock.json

@@ -28,7 +28,7 @@
     "react-dropzone": "^14.3.8",
     "react-hot-toast": "^2.5.2",
     "react-markdown": "^9.0.3",
-    "react-router": "^7.1.5",
+    "react-router": "^7.9.3",
     "rehype-highlight": "^7.0.2",
     "rehype-katex": "^7.0.1",
     "remark-breaks": "^4.0.0",