PYTHON-5309 Ensure AsyncMongoClient doesn't use PyOpenSSL #2236

Job	Run time
Make SDist	29s
Build wheels for manylinux_x86_64	2m 26s
Build wheels for manylinux_aarch64	11m 27s
Build wheels for manylinux_ppc64le	10m 57s
Build wheels for manylinux_s390x	11m 37s
Build wheels for manylinux_i686	2m 28s
Build wheels for win_amd6	3m 59s
Build wheels for win32	5m 48s
Build wheels for macos	3m 38s
Download Wheels	7s
	52m 56s

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