Update react to the latest version � (#843)

Summary:
## There have been updates to the *react* monorepo:

- The `dependency` [react](https://github.com/facebook/react) was updated from `16.12.0` to `16.13.0`.
- The `dependency` [react-dom](https://github.com/facebook/react) was updated from `16.12.0` to `16.13.0`.
- The `dependency` [react-test-renderer](https://github.com/facebook/react) was updated from `16.12.0` to `16.13.0`.

These versions are **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.

This monorepo update includes releases of one or more dependencies which all belong to the [react group definition](https://github.com/greenkeeperio/monorepo-definitions).

 ---

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

[Find out more about this release](https://github.com/facebook/react).

 ---

<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/843

Reviewed By: mweststrate

Differential Revision: D20303301

Pulled By: passy

fbshipit-source-id: 3d2a65d6b85e5a451ba41a4ae17532887a83e240

yarn.lock

@@ -8618,15 +8618,15 @@ react-devtools-core@^4.0.6:
     shell-quote "^1.6.1"
     ws "^7"
 
-react-dom@^16.12.0:
-  version "16.12.0"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.12.0.tgz#0da4b714b8d13c2038c9396b54a92baea633fe11"
-  integrity sha512-LMxFfAGrcS3kETtQaCkTKjMiifahaMySFDn71fZUNpPHZQEzmk/GiAeIT8JSOrHB23fnuCOMruL2a8NYlw+8Gw==
+react-dom@^16.13.0:
+  version "16.13.0"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.13.0.tgz#cdde54b48eb9e8a0ca1b3dc9943d9bb409b81866"
+  integrity sha512-y09d2c4cG220DzdlFkPTnVvGTszVvNpC73v+AaLGLHbkpy3SSgvYq8x0rNwPJ/Rk/CicTNgk0hbHNw1gMEZAXg==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.2"
-    scheduler "^0.18.0"
+    scheduler "^0.19.0"
 
 react-is@^16.12.0:
   version "16.12.0"
@@ -8678,15 +8678,15 @@ react-redux@^7.1.1:
     prop-types "^15.7.2"
     react-is "^16.9.0"
 
-react-test-renderer@^16.12.0:
-  version "16.12.0"
-  resolved "https://registry.yarnpkg.com/react-test-renderer/-/react-test-renderer-16.12.0.tgz#11417ffda579306d4e841a794d32140f3da1b43f"
-  integrity sha512-Vj/teSqt2oayaWxkbhQ6gKis+t5JrknXfPVo+aIJ8QwYAqMPH77uptOdrlphyxl8eQI/rtkOYg86i/UWkpFu0w==
+react-test-renderer@^16.13.0:
+  version "16.13.0"
+  resolved "https://registry.yarnpkg.com/react-test-renderer/-/react-test-renderer-16.13.0.tgz#39ba3bf72cedc8210c3f81983f0bb061b14a3014"
+  integrity sha512-NQ2S9gdMUa7rgPGpKGyMcwl1d6D9MCF0lftdI3kts6kkiX+qvpC955jNjAZXlIDTjnN9jwFI8A8XhRh/9v0spA==
   dependencies:
     object-assign "^4.1.1"
     prop-types "^15.6.2"
     react-is "^16.8.6"
-    scheduler "^0.18.0"
+    scheduler "^0.19.0"
 
 react-transition-group@^4.3.0:
   version "4.3.0"
@@ -8711,10 +8711,10 @@ react-window@^1.3.1:
     "@babel/runtime" "^7.0.0"
     memoize-one ">=3.1.1 <6"
 
-react@16.12.0:
-  version "16.12.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.12.0.tgz#0c0a9c6a142429e3614834d5a778e18aa78a0b83"
-  integrity sha512-fglqy3k5E+81pA8s+7K0/T3DBCF0ZDOher1elBFzF7O6arXJgzyu/FW+COxFvAWXJoJN9KIZbT2LXlukwphYTA==
+react@16.13.0:
+  version "16.13.0"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.13.0.tgz#d046eabcdf64e457bbeed1e792e235e1b9934cf7"
+  integrity sha512-TSavZz2iSLkq5/oiE7gnFzmURKZMltmi193rm5HEoUDAXpzT9Kzw6oNZnGoai/4+fUnm7FqS5dwgUL34TujcWQ==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
@@ -9372,10 +9372,10 @@ sc-formatter@^3.0.1:
   resolved "https://registry.yarnpkg.com/sc-formatter/-/sc-formatter-3.0.2.tgz#9abdb14e71873ce7157714d3002477bbdb33c4e6"
   integrity sha512-9PbqYBpCq+OoEeRQ3QfFIGE6qwjjBcd2j7UjgDlhnZbtSnuGgHdcRklPKYGuYFH82V/dwd+AIpu8XvA1zqTd+A==
 
-scheduler@^0.18.0:
-  version "0.18.0"
-  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.18.0.tgz#5901ad6659bc1d8f3fdaf36eb7a67b0d6746b1c4"
-  integrity sha512-agTSHR1Nbfi6ulI0kYNK0203joW2Y5W4po4l+v03tOoiJKpTBbxpNhWDvqc/4IcOw+KLmSiQLTasZ4cab2/UWQ==
+scheduler@^0.19.0:
+  version "0.19.0"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.19.0.tgz#a715d56302de403df742f4a9be11975b32f5698d"
+  integrity sha512-xowbVaTPe9r7y7RUejcK73/j8tt2jfiyTednOvHbA8JoClvMYCp+r8QegLwK/n8zWQAtZb1fFnER4XLBZXrCxA==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"