bridge/appsdk-bump-app-catalog 340 bumping sdk to almci-master-3065-8749b26

sdk commit: RallySoftware/appsdk@d28c4b6b0d553f4556863dca441cacae96be8065
author: Katie Thompson
message: Revert "Revert "S74445 - [Milestones] Ensure Milestones are visible on appropriate Ext-based pages""

sdk commit: RallySoftware/appsdk@8749b262d997fc2316f57de962929a465d1b25e5
author: Dave Thompson
message: S69844: enable UserStory.Children collection in TreeGrid.