Bump @storybook/svelte from 8.0.8 to 8.1.11 in /frontend

Bumps [@storybook/svelte](https://github.com/storybookjs/storybook/tree/HEAD/code/renderers/svelte) from 8.0.8 to 8.1.11.
- [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/v8.1.11/code/renderers/svelte)

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

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

frontend/package.json

@@ -20,7 +20,7 @@
     "@storybook/addon-links": "^8.0.8",
     "@storybook/addon-mdx-gfm": "^8.0.8",
     "@storybook/blocks": "^8.0.8",
-    "@storybook/svelte": "^8.0.8",
+    "@storybook/svelte": "^8.1.11",
     "@storybook/svelte-vite": "^8.0.8",
     "@storybook/test": "^8.0.8",
     "@sveltejs/vite-plugin-svelte": "^3.1.0",