[Feature Request] Allow configuring --severity-threshold

[nwcm]

Is your feature request related to a problem? Please describe.
Currently all level of sevs returned are warnings. This should be configurable so errors can be shown

Describe the solution you'd like
Option which takes severity levels

Describe alternatives you've considered
Using PMD directly

Additional context

"Workaround": Can you do something similar with existing capabilities?
Use CLI directly

"Urgency": How badly do you need this feature? "Highly beneficial"