chore(deps): update dependency react to v16.12.0 (#644)

Co-authored-by: Renovate Bot <[email protected]>

Author: 2 people

tests/integration/package.json

@@ -12,7 +12,7 @@
   "dependencies": {
     "@zeit/next-css": "0.1.5",
     "next": "5.1.0",
-    "react": "16.3.2",
+    "react": "16.12.0",
     "react-dom": "16.3.2"
   },
   "devDependencies": {