fix(deps): update dependency express to ^4.21.2 (#180)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

functions/package-lock.json

@@ -16,7 +16,7 @@
     "@ecomplus/application-sdk": "^22.0.0-firestore.1.15.7",
     "@google-cloud/firestore": "^4.15.1",
     "axios": "^0.29.0",
-    "express": "^4.21.1",
+    "express": "^4.21.2",
     "firebase-admin": "^10.3.0",
     "firebase-functions": "^3.24.1",
     "qs": "^6.13.1"