Update dependency svelte-check to v4

This MR contains the following updates:

Package	Type	Update	Change
svelte-check	devDependencies	major	^3.8.5 -> ^4.0.2

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Release Notes

sveltejs/language-tools (svelte-check)

v4.0.2

Compare Source

• fix: ensure components typed through Svelte 5's Component interface get proper intellisense

v4.0.1

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• fix: remove ancient process augmentation from internal d.ts file

v4.0.0

Compare Source

• chore: bump magic-string (#​2476)
• chore: switch from fast-glob to fdir (#​2433)
• fix: detect