fix(deps): update react-router monorepo to v7.6.0

package.json

@@ -33,7 +33,7 @@
     "@backstage/cli": "^0.30.0",
     "@spotify/prettier-config": "^15.0.0",
     "concurrently": "^9.0.0",
-    "lerna": "^9.0.0",
+    "lerna": "^8.0.0",
     "prettier": "^3.0.0",
     "typescript": "~5.8.0"
   },

packages/app/package.json

@@ -38,8 +38,8 @@
     "history": "^5.0.0",
     "react": "^18.0.0",
     "react-dom": "^18.0.0",
-    "react-router": "7.2.0",
-    "react-router-dom": "7.2.0",
+    "react-router": "7.6.0",
+    "react-router-dom": "7.6.0",
     "react-use": "^17.0.0"
   },
   "devDependencies": {