Resync versions

Author: octogonz

playground/package.json

@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@microsoft/tsdoc": "0.12.14",
-    "@types/react": "16.9.6",
+    "@types/react": "16.9.11",
     "@types/react-dom": "16.9.3",
     "promise": "~8.0.3",
     "monaco-editor": "~0.17.1",