[Fixed] 安裝RabbitMQ出現warning: rpmts_HdrFromFdno: Header V4 DSA signature: NOKEY錯誤

加上--nogpgcheck，就可以避免這個問題的出現

sudo yum install -y rabbitmq-server-${version}.noarch.rpm --nogpgcheck

Reference: 15975604853.blog.163.com