upgraded vulnerable package (#312)

Author: sachin-panayil

frontend/package-lock.json

@@ -27,7 +27,7 @@
     "react-dom": "^19.1.1",
     "react-i18next": "^16.1.2",
     "react-markdown": "^10.1.0",
-    "react-router": "^7.9.4",
+    "react-router": "^7.12.0",
     "remark-gfm": "^4.0.1"
   },
   "devDependencies": {