PYTHON-5309 Ensure AsyncMongoClient doesn't use PyOpenSSL #2146

Job	Run time
Make SDist	30s
Build wheels for manylinux_x86_64	2m 31s
Build wheels for manylinux_aarch64	11m 34s
Build wheels for manylinux_ppc64le	10m 59s
Build wheels for manylinux_s390x	11m 35s
Build wheels for manylinux_i686	2m 41s
Build wheels for win_amd6	4m 28s
Build wheels for win32	5m 53s
Build wheels for macos	3m 12s
Download Wheels	7s
	53m 30s

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