PYTHON-5309 Ensure AsyncMongoClient doesn't use PyOpenSSL #2196

Job	Run time
Make SDist	33s
Build wheels for manylinux_x86_64	2m 15s
Build wheels for manylinux_aarch64	3m 53s
Build wheels for manylinux_ppc64le	3m 52s
Build wheels for manylinux_s390x	3m 51s
Build wheels for manylinux_i686	2m 25s
Build wheels for win_amd6	3m 46s
Build wheels for win32	3m 45s
Build wheels for macos	3m 13s
Download Wheels	1s
	27m 34s

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