Update dependency @sveltejs/kit to v2.48.8 (#1930)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

apps/svelte-kit/package.json

@@ -26,7 +26,7 @@
     "@responsive-image/internals": "workspace:*",
     "@responsive-image/vite-plugin": "workspace:*",
     "@sveltejs/adapter-auto": "7.0.0",
-    "@sveltejs/kit": "2.48.5",
+    "@sveltejs/kit": "2.48.8",
     "@sveltejs/vite-plugin-svelte": "6.2.1",
     "@types/node": "22.19.1",
     "concurrently": "9.2.1",