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

Author: renovate-bot

package-lock.json

@@ -55,7 +55,7 @@
     "generate-changelog": "1.7.1",
     "husky": "0.14.3",
     "istanbul": "0.4.5",
-    "lint-staged": "7.2.0",
+    "lint-staged": "7.2.2",
     "mocha": "5.2.0",
     "prettier-standard": "8.0.1",
     "proxyquire": "1.8.0"