argocd update to 6.7.15-bb.2

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/argocd/-/blob/6.7.15-bb.2/CHANGELOG.md

Package MR

big-bang/product/packages/argocd!223 (merged)

For Issue

Closes (https://repo1.dso.mil/big-bang/product/packages/argocd/-/issues/156)

Upgrade Notices

N/A