PYTHON-5406 - AsyncPeriodicExecutor must reset CSOT contextvars befor… #2377

Job	Run time
Build wheels for manylinux_x86_64	2m 22s
Build wheels for manylinux_aarch64	11m 11s
Make SDist	35s
Build wheels for manylinux_ppc64le	10m 41s
Build wheels for manylinux_s390x	11m 54s
Build wheels for manylinux_i686	2m 30s
Build wheels for win_amd6	4m 15s
Build wheels for win32	4m 54s
Build wheels for macos	4m 2s
Download Wheels	8s
	52m 32s

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