thanos update to 15.7.27-bb.3

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/thanos/-/blob/15.7.27-bb.3/CHANGELOG.md

Package MR

big-bang/product/packages/thanos!110 (merged)

For Issue

Closes big-bang/product/packages/thanos#85 (closed)

(Also tied to: big-bang/product/packages/thanos#87 (closed))

Upgrade Notices

N/A