fix(deps): update dependency express to v4.21.0

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
   "license": "BSD-3-Clause",
   "dependencies": {
     "dotenv": "16.4.5",
-    "express": "4.20.0",
+    "express": "4.21.0",
     "express-rate-limit": "7.4.0",
     "graphql-request": "7.1.0",
     "helmet": "7.1.0",