Update dependency lint-staged to v9.1.0 (#88)

Author: renovate[bot]

package-lock.json

@@ -27,7 +27,7 @@
         "eslint-plugin-import": "2.18.0",
         "husky": "3.0.0",
         "jest": "24.8.0",
-        "lint-staged": "9.0.2",
+        "lint-staged": "9.1.0",
         "prettier": "1.18.2",
         "strip-ansi": "5.2.0",
         "tslint": "5.18.0",