Bump @storybook/svelte from 7.6.12 to 8.0.8

Bumps [@storybook/svelte](https://github.com/storybookjs/storybook/tree/HEAD/code/renderers/svelte) from 7.6.12 to 8.0.8.
- [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/v8.0.8/code/renderers/svelte)

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

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