In order to get the data needed to send usages to Azure Marketplace, we need a new endpoint to fetch Azure info from subscriptions.

AC: New internal api available to fetch Azure UsageContext similar to getAwsUsageContext.

Required fields in response:
            azureResourceId:
              type: string
            azureTenantId:
              type: string
            offerId:
              type: string
            planId:
              type: string