chore(deps-dev): bump @storybook/react from 5.2.8 to 5.3.9

Bumps [@storybook/react](https://github.com/storybookjs/storybook/tree/HEAD/app/react) from 5.2.8 to 5.3.9.
- [Release notes](https://github.com/storybookjs/storybook/releases)
- [Changelog](https://github.com/storybookjs/storybook/blob/next/CHANGELOG.md)
- [Commits](https://github.com/storybookjs/storybook/commits/v5.3.9/app/react)

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

ui/storybook/package.json

@@ -17,7 +17,7 @@
     "@storybook/addon-storysource": "5.2.8",
     "@storybook/addons": "5.2.8",
     "@storybook/core-events": "5.2.8",
-    "@storybook/react": "5.2.8",
+    "@storybook/react": "5.3.9",
     "@storybook/theming": "5.2.8",
     "@types/storybook__addon-info": "^4.1.2",
     "@types/storybook__react": "^4.0.2",