chore(package): update lint-staged to version 8.1.6

Closes #6

Author: greenkeeper[bot]

package.json

@@ -38,7 +38,7 @@
     "jest": "^23.5.0",
     "jest-cli": "^23.5.0",
     "lec": "^1.0.1",
-    "lint-staged": "^7.2.2",
+    "lint-staged": "^8.1.6",
     "nsp": "^3.2.1",
     "prettier": "^1.14.2",
     "prettier-package-json": "^2.0.0"