Draft: update service entry for vault and bump chart version

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/vault/-/blob/0.25.0-bb.27/CHANGELOG.md

Package MR

big-bang/product/packages/vault!145 (merged) (merged)

For Issue

Closes big-bang/product/packages/vault#75 (closed)

Upgrade Notices

N/A