chore(package): update nyc to version 11.0.2

Author: greenkeeper[bot]

package.json

@@ -66,7 +66,7 @@
     "@types/sinon": "2.3.0",
     "@types/temp": "0.8.29",
     "mocha": "^3.2.0",
-    "nyc": "^10.1.2",
+    "nyc": "^11.0.2",
     "rimraf": "^2.6.1",
     "sinon": "^2.0.0",
     "source-map-support": "^0.4.11",