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

Author: renovate-bot

frontend/package-lock.json

@@ -24,7 +24,7 @@
 		"@eslint/js": "9.38.0",
 		"@sveltejs/adapter-auto": "6.1.1",
 		"@sveltejs/kit": "2.48.3",
-		"@sveltejs/vite-plugin-svelte": "5.1.1",
+		"@sveltejs/vite-plugin-svelte": "6.2.1",
 		"@tailwindcss/forms": "0.5.10",
 		"@tailwindcss/typography": "0.5.19",
 		"@tailwindcss/vite": "4.1.16",