PYTHON-5118 - Improve contributing documentation of synchro #1618

Job	Run time
Build wheels for manylinux_x86_64	2m 29s
Make SDist	39s
Build wheels for manylinux_aarch64	11m 42s
Build wheels for manylinux_ppc64le	11m 22s
Build wheels for manylinux_s390x	11m 34s
Build wheels for manylinux_i686	2m 24s
Build wheels for win_amd6	3m 45s
Build wheels for win32	4m 40s
Build wheels for macos	5m 19s
Download Wheels	7s
	54m 1s

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