Figure out why local git push is failing on build agent

[adamskt]

See https://intellitect.visualstudio.com/PSToolbox/_build/results?buildId=6097 and https://intellitect.visualstudio.com/PSToolbox/_build/results?buildId=6096

[adamskt]

For some reason, creating a new branch on a new repo throws:

##[error]Switched to a new branch 'Temp'

Which feels like a succesfull failure.