Bump svelte from 3.48.0 to 3.49.0

Created by: dependabot[bot]

Bumps svelte from 3.48.0 to 3.49.0.

Changelog

Sourced from svelte's changelog.

3.49.0

• Improve performance of string escaping during SSR (#5701)
• Add ComponentType and ComponentProps convenience types (#6770)
• Add support for CSS @layer (#7504)
• Export CompileOptions from svelte/compiler (#7658)
• Fix DOM-less components not being properly destroyed (#7488)
• Fix class: directive updates with <svelte:element> (#7521, #7571)
• Harden attribute escaping during SSR (#7530)

Commits

• 52153db -> v3.49.0
• 3798808 update changelog
• 0fa0a38 [fix] export CompileOptions (#7658)
• a3ecb44 update changelog
• 7e1691c [fix] support @​layer (#7514)
• 4583b17 Update CHANGELOG.md
• 02f60fb [fix]destroy empty component (#7492)
• 31e5f8b [docs] "What's new in Svelte" July newsletter (#7637)
• 6f57571 [feat] add convenience types ComponentType and ComponentProps (#6770)
• 2f562d9 [docs] use npm create instead of npm init (#7641)
• Additional commits viewable in compare view

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