mimir update to 5.5.1-bb.7

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/mimir/-/blob/5.5.1-bb.7/CHANGELOG.md

Package MR

big-bang/product/packages/mimir!55 (merged)

For Issue

Closes (big-bang/product/packages/mimir#66 (closed))

Upgrade Notices

N/A