Create a junit output

[sudermanjr]

Is your feature request related to a problem? Please describe.
When using CircleCI or other CI systems, there is usually support for providing a nice interface around test outputs in the form of junit.

Describe the solution you'd like
Create a new output format called junit

Describe alternatives you've considered
I can't think of any

Additional context
Kubeconform has similar capabilities.

[druesendieb]

Would love to see this implemented.