gatewayAPI update to 1.5.1-bb.1

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/gateway-api/-/blob/1.5.1-bb.1/CHANGELOG.md

Package MR

big-bang/product/packages/gateway-api!34 (merged)

For Issue

Closes (link to issue here)

Upgrade Notices

N/A