Merge pull request #317 from microsoftgraph/dependabot/npm_and_yarn/graph-sample/express-4.21.0

Bump express from 4.19.2 to 4.21.0 in /graph-sample

Author: github-actions[bot]

graph-sample/package-lock.json

@@ -16,7 +16,7 @@
     "date-fns-tz": "^2.0.1",
     "debug": "^4.3.7",
     "dotenv": "^16.4.5",
-    "express": "^4.19.2",
+    "express": "^4.21.0",
     "express-promise-router": "^4.1.1",
     "express-session": "^1.18.0",
     "express-validator": "^7.2.0",