cloud.drone.io no longer working

The cloud.drone.io service we use for aarch64 builds is no longer accepting our API requests for triggering builds. We have been in contact with them, but have been unable to resolve the issue. Going forward, we will still be adding feedstocks to cloud.drone.io but we have moved all aarch64 builds to emulated builds on Azure. Cross-compilers are available as well for resource-intensive builds. Please rerender your feedstock as needed to get the updated configuration.