chore(deps): update dependency svelte to v5.12.0 (#322)

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 | minor | [`5.11.3` ->
`5.12.0`](https://renovatebot.com/diffs/npm/svelte/5.11.3/5.12.0) |

---

### Release Notes

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

###
[`v5.12.0`](https://redirect.github.com/sveltejs/svelte/blob/HEAD/packages/svelte/CHANGELOG.md#5120)

[Compare
Source](https://redirect.github.com/sveltejs/svelte/compare/svelte@5.11.3...svelte@5.12.0)

##### Minor Changes

- feat: expose more AST types from `"svelte/compiler"`
([#&#8203;14601](https://redirect.github.com/sveltejs/svelte/pull/14601))

##### Patch Changes

- fix: don't add parenthesis to media query if already present
([#&#8203;14699](https://redirect.github.com/sveltejs/svelte/pull/14699))

- fix: ensure if block paths retain correct template namespacing
([#&#8203;14685](https://redirect.github.com/sveltejs/svelte/pull/14685))

</details>

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