chore(deps): update dependency @sveltejs/vite-plugin-svelte to v6

Author: renovate[bot]

packages/svelte-ux/package.json

@@ -24,7 +24,7 @@
     "@sveltejs/adapter-cloudflare": "^7.0.3",
     "@sveltejs/kit": "^2.21.0",
     "@sveltejs/package": "^2.3.11",
-    "@sveltejs/vite-plugin-svelte": "5.0.3",
+    "@sveltejs/vite-plugin-svelte": "6.1.1",
     "@tailwindcss/typography": "^0.5.16",
     "@types/culori": "^2.1.1",
     "@types/d3-array": "^3.2.1",