chore(package): update lint-staged to version 9.0.0

Author: greenkeeper[bot]

package.json

@@ -73,7 +73,7 @@
     "extract-text-webpack-plugin": "^4.0.0-beta.0",
     "html-webpack-plugin": "^3.2.0",
     "husky": "^2.0.0",
-    "lint-staged": "^8.1.1",
+    "lint-staged": "^9.0.0",
     "madge": "^3.4.3",
     "moment": "^2.24.0",
     "node-watch": "^0.6.0",