Changes to Get a tenant.

removed the optional property maxApps from the response with the 200 status

the endpoint scheme security ApiKeyAuth was added to the API

added the media type application/json for the response with the status 404

added the non-success response with the status 401

added the non-success response with the status 403

added the non-success response with the status 429

added the non-success response with the status 500

added the optional property maxDiskGb to the response with the 200 status

added the optional property maxGroups to the response with the 200 status

added the optional property signupAttribution to the response with the 200 status