chore: update dependency svelte-preprocess to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
svelte-preprocess	5.1.4 -> 6.0.3

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Release Notes

sveltejs/svelte-preprocess (svelte-preprocess)

v6.0.3

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Bug Fixes

• add pug mixins to support svelte-5 syntax (#​654) (9d49f3d)
• ignore sass deprecation warning (#​657) (9b54325), closes #​656

v6.0.2

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Bug Fixes

• remove customConditions tsconfig option (#​648) (afb80ae), closes #​646

v6.0.1

Compare Source

Bug Fixes

• deprecate default export in favor of named export (#​641) (a43de10), closes #​591

v6.0.0

Compare Source

BREAKING CHANGES

• remove TS mixed imports support, require TS 5.0 or higher
• remove preserve option as it's unnecessary
• require Svelte 4+, Node 18+
• add exports map

Bug Fixes

• adjust globalifySelector to not split selectors with parentheses. (#​632) (c435ebd), closes #​501
• fix: allow TS filename to be undefined, fixes #​488
• fix: adjust Svelte compiler type import
• fix: remove pug types and magic-string from dependencies
• chore: bump peer deps, fixes #​553

5.1.4 (2024-04-16)

Bug Fixes

• remove pnpm version restriction (#​629) (2713b82)

5.1.3 (2023-12-18)

Bug Fixes

• sass dependency list referencing source file in win32 (#​621) (209312f)

5.1.2 (2023-12-12)

• chore: mark postcss-load-config 5 as supported (3b5b1f0)

5.1.1 (2023-11-21)

Bug Fixes

• force module(resolution) (66d3cf9)

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