build the bundled onetbb as a shared library on windows #272

Job	Run time
downstream (windows-latest, 4.2)	4m 9s
downstream (windows-latest, release)	2m 50s
windows-latest (4.2)	5m 35s
ubuntu-24.04-arm (release)	3m 1s
macOS-latest (release)	3m 29s
ubuntu-latest (release)	2m 59s
windows-11-arm (release)	5m 59s
windows-latest (release)	6m 47s
downstream (windows-11-arm, release)	5m 54s
	40m 43s

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