chore(deps): update dependency svelte to v4.2.19

This MR contains the following updates:

Package	Type	Update	Change
svelte (source)	devDependencies	patch	4.2.18 -> 4.2.19

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Release Notes

sveltejs/svelte (svelte)

v4.2.19

Compare Source

Patch Changes

• fix: ensure typings for <svelte:options> are picked up (#​12902)

• fix: escape < in attribute strings (#​12989)

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