Sweeping !34758 from 21.0 to master. PROCTools: Updating q221 21.0 reference file, see ATLASRECTS-5583

Atlas Nightlybuildrequested to merge
cherry-pick-a19ae4784d-master into master

PROCTools: Updating q221 21.0 reference file, see ATLASRECTS-5583

See merge request !34758 (merged)

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