chore(deps-dev): bump @storybook/addon-essentials from 6.5.16 to 8.1.6

Bumps [@storybook/addon-essentials](https://github.com/storybookjs/storybook/tree/HEAD/code/addons/essentials) from 6.5.16 to 8.1.6.
- [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/v8.1.6/code/addons/essentials)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -170,7 +170,7 @@
     "@storybook/addon-actions": "6.5.16",
     "@storybook/addon-backgrounds": "6.5.16",
     "@storybook/addon-controls": "6.5.16",
-    "@storybook/addon-essentials": "6.5.16",
+    "@storybook/addon-essentials": "8.1.6",
     "@storybook/addon-knobs": "6.4.0",
     "@storybook/addon-links": "6.5.16",
     "@storybook/addon-ondevice-actions": "6.5.2",