mimir update to 5.7.0-bb.3

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/mimir/-/blob/5.7.0-bb.3/CHANGELOG.md

Package MR

big-bang/product/packages/mimir!67 (merged)

For Issue

big-bang/product/packages/alloy#107 (closed)

Upgrade Notices

N/A