build(deps-dev): bump @storybook/addon-a11y from 8.6.15 to 10.2.13

Bumps [@storybook/addon-a11y](https://github.com/storybookjs/storybook/tree/HEAD/code/addons/a11y) from 8.6.15 to 10.2.13.
- [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/v10.2.13/code/addons/a11y)

---
updated-dependencies:
- dependency-name: "@storybook/addon-a11y"
  dependency-version: 10.2.13
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/storybook/package.json

@@ -27,7 +27,7 @@
     "@example/font": "workspace:*",
     "@example/web-components-react": "workspace:*",
     "@example/web-components-stencil": "workspace:*",
-    "@storybook/addon-a11y": "8.6.15",
+    "@storybook/addon-a11y": "10.2.13",
     "@storybook/addon-actions": "8.6.15",
     "@storybook/addon-docs": "8.6.15",
     "@storybook/addon-interactions": "8.6.15",