mimir update to 5.8.0-bb.2

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/mimir/-/blob/5.8.0-bb.2/CHANGELOG.md

Package MR

big-bang/product/packages/mimir!80 (merged)

For Issue

Closes big-bang/product/packages/mimir#90

Upgrade Notices

N/A