feat: use SPEC 0 schedule for cibuildwheel #4438

Job	Run time
Linters (mypy, flake8, etc.)	54s
Get qemu emulated architectures	8s
Test cibuildwheel building pyodide wheels	5m 32s
Test on ubuntu-latest (3.13)	39m 17s
Test on windows-latest (3.13)	41m 55s
Test on macos-13 (3.13)	25m 44s
Test on macos-14 (3.13)	12m 34s
Test on ubuntu-latest (3.11)	39m 14s
Test Linux aarch64 using qemu	25m 52s
Test Linux armv7l using qemu	8m 50s
Test Linux ppc64le using qemu	17m 13s
Test Linux s390x using qemu	18m 50s
	3h 56m 3s

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