upgrade some dev dependencies

to address security alerts

Author: pocketjoso

package.json

@@ -37,8 +37,8 @@
     "babel-loader": "^7.1.4",
     "babel-preset-react": "^6.24.1",
     "babel-preset-stage-0": "^6.24.1",
-    "husky": "^2.7.0",
-    "lint-staged": "^8.2.1",
+    "husky": "^3.0.7",
+    "lint-staged": "^9.4.1",
     "prettier": "^1.13.3",
     "prop-types": "^15.6.1",
     "react": "^16.8.6",