chore(deps): update react monorepo to v16.8.6

Author: renovate-bot

package-lock.json

@@ -40,8 +40,8 @@
     "css-loader": "2.1.1",
     "cypress": "3.2.0",
     "github-post-release": "1.13.1",
-    "react": "16.8.5",
-    "react-dom": "16.8.5",
+    "react": "16.8.6",
+    "react-dom": "16.8.6",
     "semantic-action": "1.1.6",
     "standard": "12.0.1",
     "style-loader": "0.23.1",