chore(deps): update dependency express to v4.18.1

Author: renovate[bot]

package.json

@@ -47,14 +47,14 @@
     "@types/chai": "4.1.2",
     "@types/chai-http": "3.0.4",
     "@types/cucumber": "3.2.2",
-    "@types/express": "4.11.1",
+    "@types/express": "4.17.14",
     "@types/node": "9.4.6",
     "chai": "4.1.2",
     "chai-http": "3.0.0",
     "coveralls": "3.0.0",
     "cucumber": "3.2.1",
     "cucumber-html-reporter": "4.0.1",
-    "express": "4.16.2",
+    "express": "4.18.1",
     "nyc": "11.4.1",
     "semantic-release": "12.4.1",
     "ts-node": "5.0.0",