clusterAuditor update to 1.5.0-bb.20

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/cluster-auditor/-/blob/1.5.0-bb.20/CHANGELOG.md

Package MR

big-bang/product/packages/cluster-auditor!159

For Issue

Closes big-bang/product/packages/cluster-auditor#121

Upgrade Notices

N/A