PYTHON-5593 Adds v4.15.2 notes to changelog #2986

Job	Run time
Make SDist	37s
Build wheels for manylinux_s390x	10m 59s
Build wheels for manylinux_aarch64	10m 58s
Build wheels for manylinux_ppc64le	10m 59s
Build wheels for manylinux_i686	2m 19s
Build wheels for win_amd6	4m 13s
Build wheels for win32	6m 12s
Build wheels for macos	4m 48s
Build wheels for manylinux_x86_64	2m 0s
Build wheels for win_arm64	7m 20s
Download Wheels	1s
	1h 0m 26s

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