Support Svelte 5 in Svelte SDK

[AishwaryaParab]

Description

To support Svelte 5 in Svelte SDK. Svelte 5 is backwards compatible, supporting the v4 syntax according to this doc: Svelte 5 migration guide • Svelte Docs.

FR Request: #3421

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Latest commit: 13fd049

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View your CI Pipeline Execution ↗ for commit 13fd049

Command	Status	Duration	Result
nx test @e2e/sveltekit	❌ Failed	36m 41s	View ↗
nx test @snippet/sveltekit	❌ Failed	39m 37s	View ↗
nx test @snippet/react-sdk-next-14-app	❌ Failed	8m 35s	View ↗
nx test @e2e/svelte	❌ Failed	5m 7s	View ↗
nx test @snippet/qwik-city	❌ Failed	7m 21s	View ↗
nx test @snippet/react-sdk-next-pages	❌ Failed	7m 12s	View ↗
nx test @snippet/svelte	❌ Failed	2m 19s	View ↗
nx test @snippet/nuxt	❌ Failed	2m 40s	View ↗
Additional runs (37)	❌ Failed	...	View ↗

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☁️ Nx Cloud last updated this comment at 2025-11-12 04:01:23 UTC

[sanyamkamat]

@AishwaryaParab start with 5.0.0 version