Update dependency svelte-preprocess to v6.0.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
svelte-preprocess	6.0.0 -> 6.0.1

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Release Notes

sveltejs/svelte-preprocess (svelte-preprocess)

### [`v6.0.1`](https://togithub.com/sveltejs/svelte-preprocess/blob/HEAD/CHANGELOG.md#601-2024-06-14) [Compare Source](https://togithub.com/sveltejs/svelte-preprocess/compare/v6.0.0...v6.0.1) ##### Bug Fixes - deprecate default export in favor of named export ([#​641](https://togithub.com/sveltejs/svelte-preprocess/issues/641)) ([a43de10](https://togithub.com/sveltejs/svelte-preprocess/commit/a43de107846a5fe943b6d3910ac369e0dfca1ba1)), closes [#​591](https://togithub.com/sveltejs/svelte-preprocess/issues/591)

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