[docs] random string in the `Snippet` reference

[sacrosanctic]

Describe the bug

doc link: https://svelte.dev/docs/svelte/svelte#Snippet
src link:

svelte/packages/svelte/src/index.d.ts

Line 281 in 7f8acb8

* https://svelte.dev/docs/svelte/snippet

Reproduction

.

Logs

No response

System Info

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Severity

annoyance