Using SSH to clone git breaks the workflow

[danmanners]

Hey folks,

Many IC's will use git clone with an SSH url. If you're not using https clone as your transport, this doesn't work.

https://github.com/helm/chart-releaser/blob/a2cd44a43dc860c1cc77092df54a022217cda52b/pkg/git/git.go#L86C79-L86C79

I'll go through and try to submit a PR to fix this, but...what?