chore(deps-dev): Bump @types/react-dom from 16.8.3 to 16.8.4

Bumps [@types/react-dom](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-dom) from 16.8.3 to 16.8.4.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-dom)

Signed-off-by: dependabot[bot] <support@dependabot.com>

yarn.lock

@@ -1060,9 +1060,9 @@
   integrity sha512-eItQyV43bj4rR3JPV0Skpl1SncRCdziTEK9/v8VwXmV6d/qOUO8/EuWeHBbCZcsfSHfzI5UyMJLCSXtxxznyZg==
 
 "@types/react-dom@^16.8.2":
-  version "16.8.3"
-  resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-16.8.3.tgz#6131b7b6158bc7ed1925a3374b88b7c00481f0cb"
-  integrity sha512-HF5hD5YR3z9Mn6kXcW1VKe4AQ04ZlZj1EdLBae61hzQ3eEWWxMgNLUbIxeZp40BnSxqY1eAYLsH9QopQcxzScA==
+  version "16.8.4"
+  resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-16.8.4.tgz#7fb7ba368857c7aa0f4e4511c4710ca2c5a12a88"
+  integrity sha512-eIRpEW73DCzPIMaNBDP5pPIpK1KXyZwNgfxiVagb5iGiz6da+9A5hslSX6GAQKdO7SayVCS/Fr2kjqprgAvkfA==
   dependencies:
     "@types/react" "*"