chore(package): update nock to version 11.5.0

Closes #193

Author: greenkeeper[bot]

package.json

@@ -41,7 +41,7 @@
     "istanbul-coveralls": "^1.0.3",
     "lolex": "^2.0.0",
     "mkdirp": "^0.5.1",
-    "nock": "^10.0.0",
+    "nock": "^11.5.0",
     "npm-run-all": "^4.0.0",
     "rimraf": "^2.4.3",
     "semantic-release": "^15.5.0",