Resolve "cosign improvements"
Description
Risk
Rollback Plan
Testing
Tested out in Zelda: https://code-ib-zelda.staging.dso.mil/dsop/RJ/ubi8/-/pipelines/3860 & https://code-ib-zelda.staging.dso.mil/dsop/RJ/openjdk11/-/pipelines/3861
Closes #773
Edited by Robert Massey