build(deps-dev): bump @storybook/addon-a11y from 8.1.9 to 8.2.9

Bumps [@storybook/addon-a11y](https://github.com/storybookjs/storybook/tree/HEAD/code/addons/a11y) from 8.1.9 to 8.2.9.
- [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/v8.2.9/code/addons/a11y)

---
updated-dependencies:
- dependency-name: "@storybook/addon-a11y"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

packages/storybook/package.json

@@ -24,7 +24,7 @@
     "@frameless/components-react": "workspace:*",
     "@frameless/design-tokens": "workspace:*",
     "@frameless/font": "workspace:*",
-    "@storybook/addon-a11y": "8.1.9",
+    "@storybook/addon-a11y": "8.2.9",
     "@storybook/addon-actions": "8.1.9",
     "@storybook/addon-docs": "8.1.9",
     "@storybook/addon-interactions": "8.1.9",