How to push using ssh key?

Describe the bug I use mostly ssh key to push and when using gitui to push it jusr error out with git error:Couldn't find credentials

To Reproduce Steps to reproduce the behavior:

1. Install gitui with homebrew
2. Open gitui
3. Type p to push
4. See error

Expected behavior It should just use the configured ssh key from ssh-agent

Screenshots If applicable, add screenshots to help explain your problem.

Context (please complete the following information):

• macOS Montery 12.1
• GitUI Version 0.21.0

Additional context Add any other context about the problem here.