Merge pull request #169 from microsoft/dependabot/npm_and_yarn/App/frontend-app/dependabotchanges/express-4.21.2

build: bump express from 4.18.2 to 4.21.2 in /App/frontend-app

Author: Roopan-Microsoft

App/frontend-app/package-lock.json

@@ -74,7 +74,7 @@
         "eslint-plugin-react": "^7.37.4",
         "eslint-plugin-react-hooks": "^5.1.0",
         "eslint-plugin-react-refresh": "^0.4.16",
-        "express": "^4.18.2",
+        "express": "^4.21.2",
         "jest": "^29.7.0",
         "jest-environment-jsdom": "^29.7.0",
         "nodemon": "^3.1.9",