Update digitization unit tests and art build tests after !62318 (ATLASSIM-6559) (!62960) · Merge requests · atlas / athena · GitLab

John Derek Chapman requested to merge jchapman/athena:UpdateDigiUnitTest_23.0 into 23.0 May 10, 2023

Digitization/test_Digitization.sh - update script to use an MC20a CA-based configuration
SimuJobTransforms/test_pileup.sh - update script to use script to use an MC20e-like CA-based configuration
SimuJobTransforms/test_diffmerged.sh - update script to MC23-style configuration

Should fix ATLASSIM-6559