feat: allow redirections when downloading package

follow-up to #624

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

Author: tcitworld

lib/Updater.php

@@ -543,6 +543,8 @@ public function downloadUpdate(): void {
 		curl_setopt_array($ch, [
 			CURLOPT_FILE => $fp,
 			CURLOPT_USERAGENT => 'Nextcloud Updater',
+			CURLOPT_FOLLOWLOCATION => 1,
+			CURLOPT_MAXREDIRS => 2,
 		]);
 
 		if ($this->getConfigOption('proxy') !== null) {