Refresh CI for 3.12 #429

Job	Run time
Python 3.6 on macOS	4m 27s
Python 3.12 on macOS	5m 2s
Python 3.6 on Windows x86	4m 16s
Python 3.12 (minimal build) on macOS	5m 3s
Linux docs	2m 29s
Python 3.7 on Windows x86	3m 37s
Linux meta	2m 7s
Python 3.8 on Windows x86	3m 54s
Linux mypy	2m 20s
Python 3.9 on Windows x86	2m 46s
Linux pypy3	5m 16s
Python 3.10 on Windows x86	3m 8s
Linux pypy3	4m 14s
Python 3.11 on Windows x86	4m 20s
Linux py36	2m 12s
Python 3.12 on Windows x86	4m 41s
Linux py37	2m 36s
Python 3.6 on Windows x64	4m 2s
Linux py38	2m 9s
Python 3.7 on Windows x64	3m 36s
Linux py39	1m 57s
Python 3.8 on Windows x64	3m 24s
Linux py310	2m 32s
Python 3.9 on Windows x64	3m 31s
Linux py311	1m 55s
Python 3.10 on Windows x64	2m 50s
Linux py312	3m 1s
Python 3.11 on Windows x64	3m 16s
Linux py312 system	2m 46s
Python 3.12 on Windows x64	4m 14s
Linux py312 minimal	2m 20s
	1h 44m 1s

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