Document that previews don't have logs (cloudflare#22768)

Author: WalshyDev

src/content/docs/workers/configuration/previews.mdx

@@ -105,3 +105,4 @@ If you disable Preview URLs in the Cloudflare dashboard but do not update your W
 - Preview URLs are not generated for Workers that implement a [Durable Object](/durable-objects/).
 - Preview URLs are not currently generated for [Workers for Platforms](/cloudflare-for-platforms/workers-for-platforms/) [user Workers](/cloudflare-for-platforms/workers-for-platforms/reference/how-workers-for-platforms-works/#user-workers). This is a temporary limitation, we are working to remove it.
 - You cannot currently configure Preview URLs to run on a subdomain other than [`workers.dev`](/workers/configuration/routing/workers-dev/).
+- You cannot view logs for Preview URLs today, this includes Workers Logs, Wrangler tail and Logpush.