Draft: harbor update to 1.15.0-bb.2

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/harbor/-/blob/1.15.0-bb.2/CHANGELOG.md

Package MR

big-bang/product/packages/harbor!144 (merged)

For Issue

Closes big-bang/product/packages/harbor#113

Upgrade Notices

(Include any relevant notes about upgrades here or write "N/A" if there are none)