High rate of 400 errors uploading CI artifacts

In https://gitlab.com/gitlab-org/omnibus-gitlab/-/jobs/512037445, I see:

WARNING: Uploading artifacts to coordinator... failed  id=512037445 responseStatus=400 Bad Request status=400 Bad Request token=BpRp2m-q
WARNING: Retrying...                                context=artifacts-uploader error=invalid argument
WARNING: Uploading artifacts to coordinator... failed  id=512037445 responseStatus=400 Bad Request status=400 Bad Request token=BpRp2m-q
WARNING: Retrying...                                context=artifacts-uploader error=invalid argument
WARNING: Uploading artifacts to coordinator... failed  id=512037445 responseStatus=400 Bad Request status=400 Bad Request token=BpRp2m-q

https://log.gprd.gitlab.net/goto/b7fbe05b7c251720664536af4fd40632 shows this:

image

This might be due to the security release yesterday, bu that should have updated Workhorse and restarted it.