Update react monorepo to v16.13.1

Author: renovate-bot

src/React.Core/package-lock.json

@@ -9,8 +9,8 @@
     "@babel/core": "7.8.7",
     "@babel/standalone": "7.8.8",
     "prop-types": "15.7.2",
-    "react": "16.13.0",
-    "react-dom": "16.13.0",
+    "react": "16.13.1",
+    "react-dom": "16.13.1",
     "webpack": "4.42.0",
     "webpack-cli": "3.3.11"
   }