build(deps-dev): bump @storybook/addon-a11y

Bumps [@storybook/addon-a11y](https://github.com/storybookjs/storybook/tree/HEAD/code/addons/a11y) from 9.0.10 to 9.0.12.
- [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/v9.0.12/code/addons/a11y)

---
updated-dependencies:
- dependency-name: "@storybook/addon-a11y"
  dependency-version: 9.0.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/Exceptionless.Web/ClientApp/package-lock.json

@@ -30,7 +30,7 @@
         "@eslint/js": "^9.29.0",
         "@iconify-json/lucide": "^1.2.49",
         "@playwright/test": "^1.53.0",
-        "@storybook/addon-a11y": "^9.0.10",
+        "@storybook/addon-a11y": "^9.0.12",
         "@storybook/addon-docs": "^9.0.10",
         "@storybook/addon-svelte-csf": "^5.0.3",
         "@storybook/sveltekit": "^9.0.10",