ENH: Bump the version of Slicer used in CircleCI docker
ENH: Bump the version of Slicer used in CircleCI docker

KitwareMedical/ITKTubeTK,aylward/ITKTubeTK,KitwareMedical/TubeTK,aylward/ITKTubeTK,aylward/ITKTubeTK,KitwareMedical/ITKTubeTK,KitwareMedical/TubeTK,KitwareMedical/TubeTK,thewtex/TubeTK,thewtex/TubeTK,KitwareMedical/ITKTubeTK,thewtex/TubeTK,thewtex/TubeTK,KitwareMedical/TubeTK,KitwareMedical/ITKTubeTK,aylward/ITKTubeTK