Update dependency @sveltejs/vite-plugin-svelte to v6

app/package-lock.json

@@ -851,9 +851,9 @@
       }
     },
     "node_modules/@sveltejs/adapter-node": {
-      "version": "5.2.13",
-      "resolved": "https://registry.npmjs.org/@sveltejs/adapter-node/-/adapter-node-5.2.13.tgz",
-      "integrity": "sha512-yS2TVFmIrxjGhYaV5/iIUrJ3mJl6zjaYn0lBD70vTLnYvJeqf3cjvLXeXCUCuYinhSBoyF4DpfGla49BnIy7sQ==",
+      "version": "5.2.12",
+      "resolved": "https://registry.npmjs.org/@sveltejs/adapter-node/-/adapter-node-5.2.12.tgz",
+      "integrity": "sha512-0bp4Yb3jKIEcZWVcJC/L1xXp9zzJS4hDwfb4VITAkfT4OVdkspSHsx7YhqJDbb2hgLl6R9Vs7VQR+fqIVOxPUQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {

app/package.json

@@ -13,7 +13,7 @@
     "@sveltejs/adapter-auto": "^6.0.0",
     "@sveltejs/adapter-node": "^5.2.11",
     "@sveltejs/kit": "^2.15.1",
-    "@sveltejs/vite-plugin-svelte": "^4.0.3",
+    "@sveltejs/vite-plugin-svelte": "^6.0.0",
     "prettier": "^3.4.2",
     "prettier-plugin-svelte": "^3.3.2",
     "svelte": "^5.16.0",