Timeout al instalar autogestion.

Buenos días, antes de correr el comando composer install, tira este comando antes.

composer --global config process-timeout <time>

Y fijate si te funciona.

Fuente: https://stackoverflow.com/questions/28177019/composer-exceeded-the-timeout-of-300-seconds-while-installing-sylius-on-composer?lq=1

Saludos