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

Closes #12

Author: greenkeeper[bot]

package.json

@@ -57,7 +57,7 @@
     "commitizen": "^3.0.2",
     "husky": "^1",
     "jest": "^23",
-    "lint-staged": "^8.0.0",
+    "lint-staged": "^9.2.2",
     "prettier": "^1",
     "rimraf": "^2",
     "semantic-release": "^15",