Update lesshint-reporter-stylish to 3.x

Author: jwilsson

package.json

@@ -28,7 +28,7 @@
   ],
   "dependencies": {
     "lesshint": "^5.0.0",
-    "lesshint-reporter-stylish": "^2.0.1",
+    "lesshint-reporter-stylish": "^3.0.0",
     "plugin-error": "^1.0.0",
     "through2": "^2.0.0"
   },