Include `hostName:$port` for Host access violation message as well

Signed-off-by: Robin Kluth <Commifreak@users.noreply.github.com>

lib/private/Http/Client/DnsPinMiddleware.php

@@ -147,7 +147,7 @@ class DnsPinMiddleware {
 					foreach ($targetIps as $ip) {
 						if ($this->ipAddressClassifier->isLocalAddress($ip)) {
 							// TODO: continue with all non-local IPs?
-							throw new LocalServerException('Host "'.$ip.'" violates local access rules');
+							throw new LocalServerException('Host "'.$ip.'" ('.$hostName.':'.$port.') violates local access rules');
 						}
 						$curlResolves["$hostName:$port"][] = $ip;
 					}