anchore update to 2.4.2-bb.15

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/anchore-enterprise/-/blob/2.4.2-bb.15/CHANGELOG.md

Package MR

big-bang/product/packages/anchore-enterprise!248 (merged)

For Issue

Closes big-bang/product/packages/anchore-enterprise#150 (closed)

Upgrade Notices

N/A