Bump @types/react-dom from 16.8.5 to 16.9.8

Bumps [@types/react-dom](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-dom) from 16.8.5 to 16.9.8.
- [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@github.com>

package.json

@@ -61,7 +61,7 @@
     "@types/react": "^16.9.51",
     "@types/react-click-outside": "^3.0.3",
     "@types/react-color": "^3.0.4",
-    "@types/react-dom": "^16.8.5",
+    "@types/react-dom": "^16.9.8",
     "@typescript-eslint/eslint-plugin": "^4.0.0",
     "@typescript-eslint/parser": "^3.10.1",
     "babel-loader": "^8.1.0",