chore(package): update lint-staged to version 7.0.0 🚀 (#86)

Author: greenkeeper[bot]

package.json

@@ -48,7 +48,7 @@
     "eslint-plugin-import": "^2.8.0",
     "husky": "^0.14.3",
     "jest": "^22.1.1",
-    "lint-staged": "^6.0.0",
+    "lint-staged": "^7.0.0",
     "prettier": "^1.10.2",
     "react": "^16.2.0",
     "semantic-release": "^12.2.2",