M1: cannot move '/tmp/kubectl-ssh' to '/usr/local/bin/kubectl-ssh': Permission denied

[tthomaspax8]

++ KUBECONFIG_DIR=/Users/tthomas/.kube/
++ complete -F _ktx ktx
+ kubeSSH=/tmp/kubectl-ssh
+ curl -o /tmp/kubectl-ssh -O https://raw.githubusercontent.com/luksa/kubectl-plugins/master/kubectl-ssh
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  2795  100  2795    0     0  12254      0 --:--:-- --:--:-- --:--:-- 12647
+ chmod +x /tmp/kubectl-ssh
+ mv /tmp/kubectl-ssh /usr/local/bin/
mv: cannot move '/tmp/kubectl-ssh' to '/usr/local/bin/kubectl-ssh': Permission denied
+ command -v kubectl-ssh