appsdk-bump-app-catalog 91 bumping sdk to 2628-c3a5249

sdk commit: RallySoftware/appsdk@c3a5249f0d02f6435a0b4a671c8b2422573b3c95
author: Wade Peterson and Rick Lansky
message: DE21870 - Preliminary estimate tooltip does not work on PI planning board
DE21870 - Preliminary estimate tooltip does not work on PI planning board
S68970 - Add ChartPanelApp to run chart builder apps in ALM