Fix `addInstallPackagesBuildStep`
Fix `addInstallPackagesBuildStep`

A recent change set an incompatible default value for a newly
introduced parameter.

Change-Id: Ic13be07284c0de8c803f054a6a0882e4e8a25a9d

sillsdev/ci-builder-scripts,sillsdev/ci-builder-scripts,sillsdev/ci-builder-scripts