Integrate varibility plugins into build

• Integrate both variability plugins (ui, non-ui) into AF3 nightly build.
• Introduce Andi into build process
• Check if failing pipelines come from user roles within git projects (owner/maintainer vs developer)

changed milestone to %AF3 2.20 Hackathon

assigned to @eder

assigned to @bayha and unassigned @eder

@eder second assignee

changed milestone to %AF3 2.21 - Feature Freeze

changed milestone to %AF3 2.21 - Hackathon

done in !14 (merged)

closed