chore: bump @storybook/addon-essentials from 8.0.5 to 8.1.11 in /site (#13712)

Bumps [@storybook/addon-essentials](https://github.com/storybookjs/storybook/tree/HEAD/code/addons/essentials) from 8.0.5 to 8.1.11.
- [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/v8.1.11/code/addons/essentials)

---
updated-dependencies:
- dependency-name: "@storybook/addon-essentials"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

site/package.json

@@ -101,7 +101,7 @@
     "@octokit/types": "12.3.0",
     "@playwright/test": "1.40.1",
     "@storybook/addon-actions": "8.0.5",
-    "@storybook/addon-essentials": "8.0.5",
+    "@storybook/addon-essentials": "8.1.11",
     "@storybook/addon-interactions": "8.0.5",
     "@storybook/addon-links": "8.0.5",
     "@storybook/addon-mdx-gfm": "8.0.5",