Draft: gatekeeper update to 3.15.0-bb.1

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/policy/-/blob/3.15.0-bb.1/CHANGELOG.md

Package MR

big-bang/product/packages/policy!212 (merged)

For Issue

Closes (link to issue here)

Upgrade Notices

Due to the new template, testvalues need to be updated from excludedResources to exemptImages.