fix(deps): update dependency express to v4.21.1

Author: renovate[bot]

package-lock.json

@@ -60,7 +60,7 @@
     "class-transformer": "0.5.1",
     "class-validator": "0.14.1",
     "dotenv": "16.4.5",
-    "express": "4.21.0",
+    "express": "4.21.1",
     "helmet": "6.2.0",
     "mongoose": "6.13.3"
   },