Update react-debounce-render to the latest version � (#778)

Summary:
## The dependency [react-debounce-render](https://github.com/podefr/react-debounce-render) was updated from `5.0.0` to `6.0.0`.
This version is **not covered** by your **current version range**.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

 ---

**Publisher:** [podefr](https://www.npmjs.com/~podefr)
**License:** MIT

[Find out more about this release](https://github.com/podefr/react-debounce-render).

 ---

<details>
  <summary>FAQ and help</summary>

  There is a collection of [frequently asked questions](https://greenkeeper.io/faq.html). If those don’t help, you can always [ask the humans behind Greenkeeper](https://github.com/greenkeeperio/greenkeeper/issues/new).
</details>

 ---

Your [Greenkeeper](https://greenkeeper.io) bot 🌴
Pull Request resolved: https://github.com/facebook/flipper/pull/778

Reviewed By: jknoxville

Differential Revision: D19854350

Pulled By: passy

fbshipit-source-id: f874123004e8551cd041eb4a1b3fe77ce187921c

package.json

@@ -167,7 +167,7 @@
     "query-string": "^6.10.1",
     "react": "16.12.0",
     "react-color": "^2.11.7",
-    "react-debounce-render": "^5.0.0",
+    "react-debounce-render": "^6.0.0",
     "react-devtools-core": "^4.0.6",
     "react-dom": "^16.12.0",
     "react-markdown": "^4.2.2",