chore(package): update dependencies

Author: greenkeeper[bot]

package.json

@@ -44,10 +44,10 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "webpack": "4.26.1",
-    "webpack-cli": "3.1.2"
+    "webpack": "4.28.4",
+    "webpack-cli": "3.2.1"
   },
   "dependencies": {
-    "react": "16.6.3"
+    "react": "16.7.0"
   }
 }