chore(deps): update dependency @sveltejs/kit to ^2.1.2 (#2368)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [@sveltejs/kit](https://kit.svelte.dev)
([source](https://togithub.com/sveltejs/kit/tree/HEAD/packages/kit)) |
[`^2.1.0` ->
`^2.1.2`](https://renovatebot.com/diffs/npm/@sveltejs%2fkit/2.1.0/2.1.2)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/@sveltejs%2fkit/2.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/@sveltejs%2fkit/2.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/@sveltejs%2fkit/2.1.0/2.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@sveltejs%2fkit/2.1.0/2.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>sveltejs/kit (@&#8203;sveltejs/kit)</summary>

###
[`v2.1.2`](https://togithub.com/sveltejs/kit/blob/HEAD/packages/kit/CHANGELOG.md#212)

[Compare
Source](https://togithub.com/sveltejs/kit/compare/@sveltejs/kit@2.1.1...@sveltejs/kit@2.1.2)

##### Patch Changes

- fix: restore invalid route error message during build process
([#&#8203;11559](https://togithub.com/sveltejs/kit/pull/11559))

###
[`v2.1.1`](https://togithub.com/sveltejs/kit/blob/HEAD/packages/kit/CHANGELOG.md#211)

[Compare
Source](https://togithub.com/sveltejs/kit/compare/@sveltejs/kit@2.1.0...@sveltejs/kit@2.1.1)

##### Patch Changes

- fix: respect the trailing slash option when navigating from the
basepath root page
([#&#8203;11388](https://togithub.com/sveltejs/kit/pull/11388))

- chore: shrink error messages shipped to client
([#&#8203;11551](https://togithub.com/sveltejs/kit/pull/11551))

</details>

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framework-plugins/svelte/package.json

@@ -41,7 +41,7 @@
     "@previewjs/core": "workspace:*",
     "@previewjs/iframe": "workspace:*",
     "@previewjs/testing": "workspace:*",
-    "@sveltejs/kit": "^2.1.0",
+    "@sveltejs/kit": "^2.1.2",
     "@types/fs-extra": "^11.0.4",
     "pino": "^8.17.2",
     "pino-pretty": "^10.3.1",