chore: Use constant for default value

Co-authored-by: Thomas Citharel <nextcloud@tcit.fr>
Signed-off-by: Pablo Zmdl <57864086+pabzm@users.noreply.github.com>

Author: 2 people

apps/dav/lib/CardDAV/SyncService.php

@@ -10,6 +10,7 @@
 
 use OCP\AppFramework\Db\TTransactional;
 use OCP\AppFramework\Http;
+use OCP\Http\Client\IClient;
 use OCP\Http\Client\IClientService;
 use OCP\IConfig;
 use OCP\IDBConnection;
@@ -161,7 +162,7 @@ protected function requestSyncReport(string $url, string $userName, string $addr
 			'auth' => [$userName, $sharedSecret],
 			'body' => $this->buildSyncCollectionRequestBody($syncToken),
 			'headers' => ['Content-Type' => 'application/xml'],
-			'timeout' => $this->config->getSystemValueInt('carddav_sync_request_timeout', 30)
+			'timeout' => $this->config->getSystemValueInt('carddav_sync_request_timeout', IClient::DEFAULT_REQUEST_TIMEOUT)
 		];
 
 		$response = $client->request(