fix: packages/react-integration/demo-app-ts/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-REACTROUTER-14908286
- https://snyk.io/vuln/SNYK-JS-REACTROUTER-14908293
- https://snyk.io/vuln/SNYK-JS-REACTROUTER-14908429
- https://snyk.io/vuln/SNYK-JS-REACTROUTER-14908531

Author: snyk-bot

packages/react-integration/demo-app-ts/package.json

@@ -11,8 +11,8 @@
     "@patternfly/react-core": "workspace:^",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
-    "react-router": "^7.9.4",
-    "react-router-dom": "^7.9.4"
+    "react-router": "^7.12.0",
+    "react-router-dom": "^7.12.0"
   },
   "devDependencies": {
     "@vitejs/plugin-react-swc": "^3.11.0",