Update dependency jshint to v2.11.1

Author: renovate-bot

package.json

@@ -25,7 +25,7 @@
     "type-is": "1.6.18"
   },
   "devDependencies": {
-    "jshint": "2.11.0",
+    "jshint": "2.11.1",
     "mocha": "3.5.3",
     "should": "11.2.1",
     "sinon": "2.4.1"