ci: Set MACOSX_DEPLOYMENT_TARGET #798

Job	Run time
Lint	1m 6s
Build docs	1m 6s
Build source distribution	11s
Build wheel cp310-macosx_arm64 on macos-latest	1m 16s
Build wheel cp310-macosx_x86_64 on macos-13	2m 9s
Build wheel cp310-manylinux_x86_64 on ubuntu-latest	1m 39s
Build wheel cp310-win_amd64 on windows-2019	4m 12s
Build wheel cp311-macosx_arm64 on macos-latest	1m 12s
Build wheel cp311-macosx_x86_64 on macos-13	1m 57s
Build wheel cp311-manylinux_x86_64 on ubuntu-latest	1m 39s
Build wheel cp311-win_amd64 on windows-2019	3m 35s
Build wheel cp312-macosx_arm64 on macos-latest	1m 20s
Build wheel cp312-macosx_x86_64 on macos-13	1m 41s
Build wheel cp312-manylinux_x86_64 on ubuntu-latest	1m 49s
Build wheel cp312-win_amd64 on windows-2019	3m 17s
Upload wheels to PyPI	0s
	28m 9s

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