chore(package): update lint-staged to version 9.2.2

Closes #7

Author: greenkeeper[bot]

package.json

@@ -38,7 +38,7 @@
     "eslint-plugin-import": "^2.7.0",
     "eslint-plugin-jsdoc": "^3.1.2",
     "husky": "^0.14.3",
-    "lint-staged": "^6.0.0",
+    "lint-staged": "^9.2.2",
     "nyc": "^11.1.0"
   },
   "dependencies": {