build: upgrade react

package.json

@@ -18,14 +18,14 @@
     "nprogress": "^0.2.0",
     "octicons": "^7.1.0",
     "prop-types": "^15.6.1",
-    "react": "^16.4.0",
-    "react-dom": "^16.4.0"
+    "react": "^16.8.1",
+    "react-dom": "^16.8.1"
   },
   "devDependencies": {
     "@types/chrome": "^0.0.77",
     "@types/nprogress": "^0.0.29",
-    "@types/react": "^16.7.18",
-    "@types/react-dom": "^16.0.11",
+    "@types/react": "^16.8.2",
+    "@types/react-dom": "^16.8.0",
     "awesome-typescript-loader": "^5.2.1",
     "babel-core": "^6.26.0",
     "babel-eslint": "^8.2.3",