PYTHON-5479 Drop support for Python 3.9 #2965

Job	Run time
Make SDist	30s
Build wheels for win_amd6	5m 26s
Build wheels for manylinux_aarch64	11m 40s
Build wheels for manylinux_i686	2m 2s
Build wheels for win_arm64	7m 21s
Build wheels for manylinux_s390x	11m 35s
Build wheels for win32	5m 19s
Build wheels for manylinux_x86_64	2m 1s
Build wheels for manylinux_ppc64le	11m 8s
Build wheels for macos	4m 16s
Download Wheels	0s
	1h 1m 18s

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