ci: tmp dir #296

Job	Run time
test (ubuntu-latest, amd64, false, false, 16)	1m 56s
test (ubuntu-latest, arm64, false, true, 16)	5m 52s
test (ubuntu-latest, arm64, true, true, 16)	5m 55s
test (ubuntu-latest, amd64, true, true, 16)	2m 26s
test (ubuntu-latest, amd64, false, false, 18)	1m 37s
test (ubuntu-latest, arm64, false, true, 18)	5m 54s
test (ubuntu-latest, arm64, true, true, 18)	5m 54s
test (ubuntu-latest, amd64, true, true, 18)	2m 13s
test (ubuntu-latest, amd64, false, false, 20)	1m 52s
test (ubuntu-latest, arm64, false, true, 20)	4m 57s
test (ubuntu-latest, arm64, true, true, 20)	5m 26s
test (ubuntu-latest, amd64, true, true, 20)	2m 20s
	46m 22s

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