Private Respositories Using GIT_USERNAME/PASSWORD not working

[gambol99]

Describe the bug

When using a private repository with HTTP authantication, the gitconfig is not being correctly updated. The source binary is supposed to run the git config --global url.NEW.insteadof OLD to allow go-getter to clone the repo. THis git command does not appear to work, causing the clone to fail

To Reproduce

1. Use a private repor
2. Configure to a auth secret with GIT_USERNAME and GIT_PASSWORD
3. Create a Configuration

Expected behavior
The terraform module should be cloned

[gambol99]

Closing as fixed