chore(package): update nyc to version 11.0.0

Author: greenkeeper[bot]

package.json

@@ -34,7 +34,7 @@
     "codeclimate-test-reporter": "^0.4.0",
     "coveralls": "^2.11.14",
     "esdoc": "^0.5.1",
-    "nyc": "^10.0.0"
+    "nyc": "^11.0.0"
   },
   "homepage": "https://aureooms.github.io/js-max-gap",
   "keywords": [