appsdk-bump-app-catalog 249 bumping sdk to almci-master-2908-b515e47

sdk commit: RallySoftware/appsdk@22a9bb389d69824b3b1cd9d74f07a0e9cfc48a7c
author: Josh Clark and Chris Perkins
message: S73861 - Modify Notifications API to pass user UUID and email to Pigeon

sdk commit: RallySoftware/appsdk@b515e47295fd8b64d4a44e5bf4354d61b965d93b
author: Dave Thompson
message: Revert "S70214: Fix discrepancies between field rendering on board view and list view - for real"