ENH: Enable ITKUltrasound_USE_VTK in the Docker test.
ENH: Enable ITKUltrasound_USE_VTK in the Docker test.

thewtex/ITKUltrasound,KitwareMedical/ITKUltrasound,thewtex/ITKUltrasound,thewtex/ITKUltrasound,KitwareMedical/ITKUltrasound,KitwareMedical/ITKUltrasound