chore(package): update nyc to version 11.3.0 (#120)

package.json

@@ -48,7 +48,7 @@
     "assume": "~1.5.0",
     "browserify": "~14.5.0",
     "mocha": "~4.0.0",
-    "nyc": "~11.2.0",
+    "nyc": "~11.3.0",
     "pre-commit": "~1.2.0",
     "sauce-browsers": "~1.0.0",
     "sauce-test": "~1.3.3",