ci: clean up draft release on failed release runs #103

Job	Run time
build	28s
create-release	7s
upload-assets (macos-latest, darwin, arm64, subenum, subenum-macos-arm64)	36s
upload-assets (ubuntu-latest, linux, amd64, subenum, subenum-linux-amd64)	21s
upload-assets (ubuntu-latest, linux, arm64, subenum, subenum-linux-arm64)	34s
upload-assets (ubuntu-latest, darwin, amd64, subenum, subenum-macos-amd64)	31s
upload-assets (windows-latest, windows, amd64, subenum.exe, subenum-windows-amd64.exe)	1m 3s
publish-release	6s
cleanup-failed-release	0s
	3m 46s

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