build(deps-dev): bump svelte and vite

Updates Svelte to 5.56.2 and Vite to 8.0.16. Resolves the open Vite Dependabot security alerts.

package.json

@@ -22,8 +22,8 @@
   },
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "^7.1.2",
-    "svelte": "^5.55.9",
-    "vite": "^8.0.14",
+    "svelte": "^5.56.2",
+    "vite": "^8.0.16",
     "vite-plugin-pwa": "^1.2.0"
   },
   "pnpm": {