It seems that the machines api is down and/or experiencing network issues in the yul region at the very least. This is blocking deploys. This is not reflected in the status page: https://status.flyio.net/
## Running fly deploy with rolling update
request returned non-2xx status: 504: upstream request timeout
## Running fly deploy with bluegreen update
Error: failed to launch VM: request returned non-2xx status: 504: upstream request timeout