Set a default request timeout

This to avoid endless running processes.
A default timeout of 30 seconds should cover the 99% case. If a job need
specific longer time it should set that.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

lib/private/Http/Client/Client.php

@@ -63,6 +63,7 @@ class Client implements IClient {
 		$defaults = [
 			RequestOptions::PROXY => $this->getProxyUri(),
 			RequestOptions::VERIFY => $this->getCertBundle(),
+			RequestOptions::TIMEOUT => 30,
 		];
 
 		$options = array_merge($defaults, $options);