fix(svelte): add svelte@^4.0.0 peer dependency option for svelte plugin (fix #551)

[specialdoom]

Description

Fixes #551.

I've added version ^4.0.0 for the peer dependency inside the svelte histoire plugin to be able to migrate the existing repositories that are using histoire with svelte to latest version (^4.0.0).

What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

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[swyxio]

@bluwy strong recommend for merging this one in pls as it is unnecessarily causing histoire to look broken for svelte 4

[specialdoom]

I'll try to fix the conflicts and ping a maintainer. Would be great to have a review and some guidance.