PYTHON-5309 Ensure AsyncMongoClient doesn't use PyOpenSSL #2195

Job	Run time
Make SDist	32s
Build wheels for manylinux_x86_64	2m 6s
Build wheels for manylinux_aarch64	11m 56s
Build wheels for manylinux_ppc64le	11m 1s
Build wheels for manylinux_s390x	11m 26s
Build wheels for manylinux_i686	2m 26s
Build wheels for win_amd6	5m 14s
Build wheels for win32	5m 45s
Build wheels for macos	3m 27s
Download Wheels	7s
	54m 0s

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