Bump sveltekit templates (#987)

### Description

<!--
✍️ Write a short summary of your work. Screenshots and videos are
welcome!
-->

This brings the SvelteKit templates up to date:
- Svelte 5
- SvelteKit 2
- Latest version of the Vercel adapter

### Demo URL

<!--
Provide a URL to a live deployment where we can test your PR. If a demo
isn't possible feel free to omit this section.
-->

### Type of Change

- [ ] New Example
- [x] Example updates (Bug fixes, new features, etc.)
- [ ] Other (changes to the codebase, but not to examples)

### New Example Checklist

- [ ] 🛫 `npm run new-example` was used to create the example
- [ ] 📚 The template wasn't used but I carefuly read the [Adding a new
example](https://github.com/vercel/examples#adding-a-new-example) steps
and implemented them in the example
- [ ] 📱 Is it responsive? Are mobile and tablets considered?

Author: dummdidumm

storage/blob-sveltekit/package.json

@@ -13,17 +13,17 @@
     "check:watch": "svelte-kit sync && svelte-check --tsconfig ./jsconfig.json --watch"
   },
   "devDependencies": {
-    "@sveltejs/adapter-vercel": "^4.0.3",
-    "@sveltejs/kit": "^2.0.6",
-    "@sveltejs/vite-plugin-svelte": "^3.0.1",
+    "@sveltejs/adapter-vercel": "^5.5.0",
+    "@sveltejs/kit": "^2.5.27",
+    "@sveltejs/vite-plugin-svelte": "^4.0.0",
     "autoprefixer": "^10.4.14",
     "postcss": "^8.4.23",
-    "svelte": "^4.2.8",
-    "svelte-check": "^3.6.2",
+    "svelte": "^5.0.0",
+    "svelte-check": "^4.0.0",
     "tailwindcss": "^3.3.2",
     "turbo": "^1.9.3",
-    "typescript": "^5.0.4",
-    "vite": "^5.0.10"
+    "typescript": "^5.5.0",
+    "vite": "^5.4.4"
   },
   "dependencies": {
     "@vercel/blob": "^0.16.1",