chore(package): update lint-staged to version 9.1.0

Closes #301

Author: greenkeeper[bot]

package.json

@@ -95,7 +95,7 @@
     "husky": "^1.0.1",
     "jest": "^23.6.0",
     "jest-config": "^23.6.0",
-    "lint-staged": "^8.0.0",
+    "lint-staged": "^9.1.0",
     "lodash.camelcase": "^4.3.0",
     "prettier": "^1.14.3",
     "prompt": "^1.0.0",