chore(deps): update dependency @sveltejs/adapter-auto to v6

Author: renovate[bot]

package.json

@@ -52,7 +52,7 @@
     "@testing-library/svelte": "^5.2.8"
   },
   "devDependencies": {
-    "@sveltejs/adapter-auto": "^3.0.0",
+    "@sveltejs/adapter-auto": "^6.0.0",
     "@sveltejs/kit": "^2.0.0",
     "@sveltejs/package": "^2.0.0",
     "@sveltejs/vite-plugin-svelte": "^3.0.0",