appsdk-bump-app-catalog 144 bumping sdk to 2706-6604d56

sdk commit: RallySoftware/appsdk@b6457bc3e9a097b597423c8e86ca13e7a58f26ec
author: Jeff Ellis and Rob West
message: S69749: Add a ready button to the PI EDP.

sdk commit: RallySoftware/appsdk@1a86f1928bff0165f96e3f8f208676953ec49f93
author: Jeff Ellis and Rob West
message: S69479: Fix failing test.