PROCTools: warn when updating existing references
Add a warning to update_ci_reference_files.py
in case the user tries to overwrite existing references as happened on ATLASRECTS-7944.
cc @atlas-release-coordinators
Add a warning to update_ci_reference_files.py
in case the user tries to overwrite existing references as happened on ATLASRECTS-7944.
cc @atlas-release-coordinators