2.1 is not a valid framework version #208
Description
According to https://developer.zendesk.com/documentation/apps/app-developer-guide/versions/ when using 2.1.0 https://github.com/zendesk/zendesk_app_framework_sdk/releases/tag/2.1.0 frameworkVersion should be set to 2.1
But this doesn't work and uploading an app fails with error:
2.1 is not a valid framework version. Available versions are: 2.0.