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

Closes #170

Author: greenkeeper[bot]

package.json

@@ -153,7 +153,7 @@
     "@nrwl/schematics": "7.8.5",
     "@rucken/cli": "4.1.3",
     "@types/dotenv": "6.1.1",
-    "@types/express": "4.16.1",
+    "@types/express": "4.17.1",
     "@types/jasmine": "3.3.12",
     "@types/jest": "24.0.12",
     "@types/jsonwebtoken": "8.3.2",