gatekeeper update to 3.15.0-bb.3

Package Merge Request

Package Changes

https://repo1.dso.mil/big-bang/product/packages/policy/-/blob/3.15.0-bb.3/CHANGELOG.md

Package MR

big-bang/product/packages/policy!218 (merged)

For Issue

Closes (link to issue here)

Upgrade Notices

N/A

added botmr gatekeeper statusreview labels

assigned to @massey.robert

changed the description

requested review from @ryan.j.garcia, @chris.oconnell, and @michaelmartin

mentioned in merge request !4049 (closed)

mentioned in merge request !4078 (closed)

changed milestone to %2.25.0

approved this merge request

package version bumped, but essentially what is already here with 3.15.0-bb.0 -- gatekeeper package changes reverted.

marked this merge request as ready

merged

mentioned in commit 4f6399b0

mentioned in merge request big-bang/customers/template!81 (merged)