appsdk-bump-app-catalog 246 bumping sdk to almci-master-2900-b5e87b3

sdk commit: RallySoftware/appsdk@b5e87b35b16d9f9dab23d3bdbc663e3a2b57ed38
author: Rick Lansky and Andrew Grauch
message: DE22099 - Milestone grid - item count is incorrect