This build flaked, and is stuck on rerun
https://dev.azure.com/monacotools/Monaco/_build/results?buildId=298457&view=logs&j=04a1dd9d-62ef-537a-ed01-63d944c25bb6&t=54f64d10-f81f-5fb8-77f4-a469d7ec00a8&l=32

##[error]Artifact vscode_server_darwin_arm64_archive-unsigned already exists for build 298457

So step this should be tolerant to failure