Fixes warning for external URL redirects (#9426)

* Update warning for external URL redirects to use destination address

* Update .changeset/gentle-chefs-glow.md

Co-authored-by: Florian Lefebvre <contact@florian-lefebvre.dev>

---------

Co-authored-by: Florian Lefebvre <contact@florian-lefebvre.dev>

Author: alexnguyennz

.changeset/gentle-chefs-glow.md

@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes warning for external URL redirects

packages/astro/src/core/routing/manifest/create.ts

@@ -461,7 +461,7 @@ export function createRouteManifest(
 			if (/^https?:\/\//.test(destination)) {
 				logger.warn(
 					'redirects',
-					`Redirecting to an external URL is not officially supported: ${from} -> ${to}`
+					`Redirecting to an external URL is not officially supported: ${from} -> ${destination}`
 				);
 			}
 		}