fix: Prevent sideline being deleted in after check #60

Job	Run time
test (ubuntu-latest, 27.2, false)	36s
test (ubuntu-latest, 28.2, false)	38s
test (ubuntu-latest, 29.2, false)	41s
test (macos-latest, 27.2, false)	2m 4s
test (macos-latest, 28.2, false)	2m 20s
test (macos-latest, 29.2, false)	1m 56s
test (windows-latest, 27.2, false)	1m 15s
test (windows-latest, 28.2, false)	49s
test (windows-latest, 29.2, false)	50s
test (ubuntu-latest, snapshot, true)	37s
test (macos-latest, snapshot, true)	1m 45s
test (windows-latest, snapshot, true)	49s
	14m 20s

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