chore(deps): update dependency svelte to v5.2.9 (#279)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [svelte](https://svelte.dev)
([source](https://redirect.github.com/sveltejs/svelte/tree/HEAD/packages/svelte))
| devDependencies | patch | [`5.2.8` ->
`5.2.9`](https://renovatebot.com/diffs/npm/svelte/5.2.8/5.2.9) |

---

### Release Notes

<details>
<summary>sveltejs/svelte (svelte)</summary>

###
[`v5.2.9`](https://redirect.github.com/sveltejs/svelte/blob/HEAD/packages/svelte/CHANGELOG.md#529)

[Compare
Source](https://redirect.github.com/sveltejs/svelte/compare/svelte@5.2.8...svelte@5.2.9)

##### Patch Changes

- fix: show `:then` block for `null/undefined` value
([#&#8203;14440](https://redirect.github.com/sveltejs/svelte/pull/14440))

- fix: relax html parent validation
([#&#8203;14442](https://redirect.github.com/sveltejs/svelte/pull/14442))

- fix: prevent memory leak when creating deriveds inside untrack
([#&#8203;14443](https://redirect.github.com/sveltejs/svelte/pull/14443))

- fix: disregard TypeScript nodes when pruning CSS
([#&#8203;14446](https://redirect.github.com/sveltejs/svelte/pull/14446))

</details>

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