chore(package): update @types/express to version 4.17.1

Closes #97

Author: greenkeeper[bot]

package.json

@@ -47,7 +47,7 @@
   "devDependencies": {
     "@types/cors": "~2.8.4",
     "@types/dotenv-safe": "~5.0.3",
-    "@types/express": "~4.16.1",
+    "@types/express": "~4.17.1",
     "@types/express-brute": "~0.0.37",
     "@types/express-session": "~1.15.12",
     "@types/faker": "^4.1.5",