Description of changes:
Fixing sample-app by updating the GO version and bumping the solution stack version.
The previous solution stack appears to no longer exist.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
Issue #, if available:
Description of changes: Fixing sample-app by updating the GO version and bumping the solution stack version. The previous solution stack appears to no longer exist.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.