build(deps-dev): bump @storybook/svelte

Bumps [@storybook/svelte](https://github.com/storybookjs/storybook/tree/HEAD/app/svelte) from 6.3.0-alpha.13 to 6.3.0-alpha.16.
- [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/v6.3.0-alpha.16/app/svelte)

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

packages/storybook/package.json

@@ -24,7 +24,7 @@
     "@storybook/addon-links": "^6.3.0-alpha.13",
     "@storybook/builder-webpack5": "^6.3.0-alpha.13",
     "@storybook/source-loader": "6.3.0-alpha.16",
-    "@storybook/svelte": "6.3.0-alpha.13",
+    "@storybook/svelte": "6.3.0-alpha.16",
     "gh-pages": "^3.1.0",
     "svelte": "^3.31.2",
     "svelte-check": "^1.0.46",