appsdk-bump-app-catalog 793 bumping sdk to 2506-d504844

sdk commit: RallySoftware/appsdk@7911b53e6a4ebfee7e2af36b91b46f67910a4eae
author: Matt Parrish, Kevin Roberts and Will Klein
message: S67999: Consistent-ify TestCase gear menu items. Make sure they all have same items.