PYTHON-4965 - Consolidate startup and teardown tasks #1234

Job	Run time
Build wheels for manylinux_x86_64	2m 18s
Build wheels for manylinux_aarch64	10m 14s
Build wheels for manylinux_ppc64le	9m 59s
Build wheels for manylinux_s390x	10m 43s
Make SDist	29s
Build wheels for manylinux_i686	2m 22s
Build wheels for win_amd6	4m 54s
Build wheels for win32	5m 44s
Build wheels for macos	4m 34s
Download Wheels	9s
	51m 26s

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