windows-tests

upgrade_client: Manually invoked upgrades should not restart program #578

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Run time

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Job	Run time
build (windows-latest, 3.7)	2m 22s
build (windows-latest, 3.8)	1m 50s
build (windows-latest, 3.9)	1m 46s
build (windows-latest, 3.10)	1m 27s
build (windows-latest, 3.11)	1m 42s
build (windows-latest, 3.12)	2m 23s
	11m 30s