chore(package): update lint-staged to version 9.2.5

Closes #22

Author: greenkeeper[bot]

package.json

@@ -70,7 +70,7 @@
     "husky": "^2.0.0",
     "jest": "^23.6.0",
     "jest-extended": "^0.11.0",
-    "lint-staged": "^8.0.4",
+    "lint-staged": "^9.2.5",
     "npm-run-all": "^4.1.3",
     "prettier": "^1.15.1",
     "rimraf": "^2.6.2"