fix(@angular/ssr): add Cache-Control and Vary headers to redirects

Always include Cache-Control: no-store and Vary: X-Forwarded-Prefix headers in redirect responses. This prevents improper caching of redirects and ensures that down-stream caches or proxies correctly handle the X-Forwarded-Prefix header.

Author: alan-agius4

packages/angular/ssr/src/utils/redirect.ts

@@ -41,6 +41,8 @@ export function createRedirectResponse(location: string, status = 302): Response
     status,
     headers: {
       'Location': location,
+      'Cache-Control': 'no-store',
+      'Vary': 'X-Forwarded-Prefix',
     },
   });
 }