chore(package): update dredd to version 11.1.0

Author: greenkeeper[bot]

package.json

@@ -8,7 +8,7 @@
   "devDependencies": {
     "chai": "4.2.0",
     "cucumber": "5.1.0",
-    "dredd": "11.0.4",
+    "dredd": "11.1.0",
     "fs-extra": "7.0.1",
     "gherkin-lint": "3.3.0",
     "glob": "7.1.3",