loki update to 5.47.2-bb.4

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/loki/-/blob/5.47.2-bb.4/CHANGELOG.md

Package MR

big-bang/product/packages/loki!185 (merged)

big-bang/product/packages/loki!188 (merged) - README Fix

For Issue

Closes big-bang/product/packages/loki#126 (closed)

Upgrade Notices

N/A