[Azure Logs] the Application Gateway integration is missing the `storage_account_container` option

The Application Gateway integration [does not offer](https://github.com/elastic/integrations/blob/main/packages/azure/data_stream/application_gateway/agent/stream/azure-eventhub.yml.hbs) the `storage_account_container`  option as all the [other integrations do](https://github.com/elastic/integrations/blob/main/packages/azure/data_stream/activitylogs/agent/stream/azure-eventhub.yml.hbs#L4-L10).