chore(deps-dev): bump @types/react-dom from 16.9.6 to 16.9.8

Bumps [@types/react-dom](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-dom) from 16.9.6 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-preview[bot] <support@dependabot.com>

package-lock.json

@@ -3576,9 +3576,9 @@
       }
     },
     "@types/react-dom": {
-      "version": "16.9.6",
-      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-16.9.6.tgz",
-      "integrity": "sha512-S6ihtlPMDotrlCJE9ST1fRmYrQNNwfgL61UB4I1W7M6kPulUKx9fXAleW5zpdIjUQ4fTaaog8uERezjsGUj9HQ==",
+      "version": "16.9.8",
+      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-16.9.8.tgz",
+      "integrity": "sha512-ykkPQ+5nFknnlU6lDd947WbQ6TE3NNzbQAkInC2EKY1qeYdTKp7onFusmYZb+ityzx2YviqT6BXSu+LyWWJwcA==",
       "dev": true,
       "requires": {
         "@types/react": "*"

package.json

@@ -27,7 +27,7 @@
     "@types/classnames": "^2.2.10",
     "@types/d3": "^5.7.2",
     "@types/react": "^16.9.35",
-    "@types/react-dom": "^16.9.6",
+    "@types/react-dom": "^16.9.8",
     "autoprefixer": "^9.7.6",
     "babel-loader": "^8.1.0",
     "babel-preset-react-app": "^9.1.2",