chore(deps): Bump @sveltejs/kit to 2.53.3 in sveltekit-2-svelte-5 E2E test (#19594)

Resolves Dependabot alert #1079 (CPU exhaustion in SvelteKit remote form
deserialization, experimental only).

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: chargome

dev-packages/e2e-tests/test-applications/sveltekit-2-svelte-5/package.json

@@ -22,7 +22,7 @@
     "@playwright/test": "~1.56.0",
     "@sentry-internal/test-utils": "link:../../../test-utils",
     "@sveltejs/adapter-auto": "^3.0.0",
-    "@sveltejs/kit": "2.49.5",
+    "@sveltejs/kit": "2.53.3",
     "@sveltejs/vite-plugin-svelte": "^3.0.0",
     "svelte": "^5.0.0-next.115",
     "svelte-check": "^3.6.0",