final preparation for v4.15.2 release (#2569) #2985

Job	Run time
Make SDist	35s
Build wheels for manylinux_aarch64	14m 4s
Build wheels for manylinux_ppc64le	14m 17s
Build wheels for manylinux_x86_64	2m 27s
Build wheels for win_amd6	5m 55s
Build wheels for manylinux_s390x	15m 5s
Build wheels for manylinux_i686	2m 27s
Build wheels for win_arm64	8m 34s
Build wheels for win32	5m 0s
Build wheels for macos	4m 17s
Download Wheels	11s
	1h 12m 52s

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