chore(deps-dev): bump @storybook/addon-essentials from 8.5.1 to 8.6.9

Bumps [@storybook/addon-essentials](https://github.com/storybookjs/storybook/tree/HEAD/code/addons/essentials) from 8.5.1 to 8.6.9.
- [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/v8.6.9/code/addons/essentials)

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

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

Author: dependabot[bot]

package-lock.json

@@ -108,7 +108,7 @@
     "zod": "^3.22.4"
   },
   "devDependencies": {
-    "@storybook/addon-essentials": "^8.4.7",
+    "@storybook/addon-essentials": "^8.6.9",
     "@storybook/addon-interactions": "^8.4.7",
     "@storybook/addon-links": "^8.4.7",
     "@storybook/blocks": "^8.4.7",