appsdk-bump-app-catalog 139 bumping sdk to 973-81a9c83

sdk commit: ae58f1b2b426878e77211c987cbda2556aac70bc
author: Stefan Kendall
message: DE19087 Release field includes current release, regardless of whether it is in the past

sdk commit: b7f65c6ba88fc7fd730b7cdabc30be1561d62f64
author: Brett Davidson and Andy Gradl
message: DE19108 - TreeStore handles wsapi errors and expand requests with no children

sdk commit: 81a9c83ee0d3c92e100a6479bf5d84c75d91b402
author: Ashly Simmons
message: S56256 inline edit treatment for tree grid