fix(deps): update react monorepo

Author: renovate-bot

package.json

@@ -8,9 +8,9 @@
     "apollo-link-http": "1.5.9",
     "graphql": "14.1.1",
     "graphql.macro": "1.3.3",
-    "react": "16.8.0-alpha.1",
+    "react": "16.8.6",
     "react-apollo": "2.4.1",
-    "react-dom": "16.8.0-alpha.1",
+    "react-dom": "16.8.5",
     "react-scripts": "2.1.3"
   },
   "scripts": {