chore(package): update webpack-dev-server to version 2.10.1

Author: greenkeeper[bot]

package.json

@@ -61,7 +61,7 @@
     "tap": "^10.2.0",
     "tiny-worker": "^2.1.1",
     "webpack": "^3.10.0",
-    "webpack-dev-server": "^2.4.1",
+    "webpack-dev-server": "^2.10.1",
     "worker-loader": "1.1.0"
   }
 }