https://github.com/cli/cli/releases/
gh --version
cd ~
wget https://github.com/cli/cli/releases/download/v2.0.0/gh_2.0.0_linux_amd64.rpm
sudo yum localinstall gh_*_linux_amd64.rpm
gh --version
一応、動くか確認
$ cd レポジトリ
$ gh pr status
全員分やる