Bump @storybook/addon-a11y from 7.5.3 to 8.1.0

Bumps [@storybook/addon-a11y](https://github.com/storybookjs/storybook/tree/HEAD/code/addons/a11y) from 7.5.3 to 8.1.0.
- [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/v8.1.0/code/addons/a11y)

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

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

package.json

@@ -85,7 +85,7 @@
     "@ianvs/prettier-plugin-sort-imports": "^4.1.0",
     "@kitsu-io-forks/storybook-addon-themes": "^7.1.0",
     "@small-tech/vite-plugin-sri": "small-tech/vite-plugin-sri#main",
-    "@storybook/addon-a11y": "^7.5.3",
+    "@storybook/addon-a11y": "^8.1.0",
     "@storybook/addon-actions": "^7.5.3",
     "@storybook/addon-docs": "^7.5.3",
     "@storybook/addon-essentials": "^7.5.3",