Merge pull request #57 from apiaryio/greenkeeper/dredd-11.2.3

Update dredd to 11.2.3

Author: honzajavorek

package-lock.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "chai": "4.2.0",
     "cucumber": "5.1.0",
-    "dredd": "11.1.4",
+    "dredd": "11.2.3",
     "fs-extra": "8.0.1",
     "glob": "7.1.4",
     "tree-kill": "1.2.1",