chore(deps): update dependency @types/express to v4.17.21

Author: renovate[bot]

package.json

@@ -47,7 +47,7 @@
     "typescript-ioc": "^3.2.2"
   },
   "devDependencies": {
-    "@types/express": "4.17.12",
+    "@types/express": "4.17.21",
     "@types/multer": "1.4.5",
     "copyfiles": "2.4.1",
     "eslint": "7.27.0",