chore(deps): update dependency lint-staged to v7.2.2

Author: renovate-bot

package.json

@@ -36,7 +36,7 @@
     "lerna": "2.10.2",
     "lerna-changelog": "0.7.0",
     "license-checker": "20.0.0",
-    "lint-staged": "7.1.0",
+    "lint-staged": "7.2.2",
     "prettier": "1.12.1"
   },
   "lint-staged": {