ENH: Update module-ci docker base image version to 18.01.0
ENH: Update module-ci docker base image version to 18.01.0

This also re-installs the Alpine packages, which will bump CMake to 3.9.5 and
fix the GitHub external module builds.

InsightSoftwareConsortium/ITKDevelopmentEnvironment,InsightSoftwareConsortium/ITKDevelopmentEnvironment