Use macos 13 for x86 wheel builds #85

Job	Run time
test (ubuntu-latest, 3.9)	48s
Build wheels on windows-2019 AMD64 ARM64	4m 15s
test (ubuntu-latest, 3.10)	44s
Build wheels on macos-13 x86_64	1m 20s
test (ubuntu-latest, 3.11)	42s
Build wheels on macos-14 arm64	33s
Build wheels on ubuntu-20.04 aarch64	4m 30s
test (ubuntu-latest, 3.12)	44s
test (macos-latest, 3.9)	3m 0s
Build wheels on ubuntu-20.04 x86_64	2m 9s
test (macos-latest, 3.10)	4m 29s
test (macos-latest, 3.11)	3m 16s
test (macos-latest, 3.12)	2m 59s
test (windows-latest, 3.9)	3m 37s
test (windows-latest, 3.10)	3m 42s
test (windows-latest, 3.11)	2m 21s
test (windows-latest, 3.12)	2m 56s
publish	1s
	42m 6s

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