Updated argocd securitycontext

Package Merge Request

Package Changes

https://repo1.dso.mil/platform-one/big-bang/apps/core/argocd/-/blob/4.9.12-bb.2/CHANGELOG.md

Package MR

https://repo1.dso.mil/platform-one/big-bang/apps/core/argocd/-/merge_requests/88

For Issue

Closes https://repo1.dso.mil/platform-one/big-bang/apps/core/argocd/-/issues/47