build(deps-dev): bump @storybook/addon-a11y from 6.5.16 to 8.2.6

Bumps [@storybook/addon-a11y](https://github.com/storybookjs/storybook/tree/HEAD/code/addons/a11y) from 6.5.16 to 8.2.6.
- [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/v8.2.6/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] <[email protected]>

package.json

@@ -166,7 +166,7 @@
     "@commitlint/cli": "latest",
     "@commitlint/config-conventional": "latest",
     "@ksmithut/prettier-standard": "latest",
-    "@storybook/addon-a11y": "~6.5.16",
+    "@storybook/addon-a11y": "~8.2.6",
     "@storybook/addon-console": "3.0.0",
     "@storybook/addon-essentials": "~6.5.16",
     "@storybook/builder-webpack5": "~6.5.16",