Update PyO3 to 0.28 #76

Job	Run time
macos (macos-15-intel, x86_64)	2m 32s
windows (windows-latest, x86, x86)	3m 18s
windows (windows-latest, x64, x64)	3m 23s
sdist	12s
macos (macos-latest, aarch64)	1m 16s
linux (ubuntu-22.04, x86)	4m 20s
linux (ubuntu-22.04, s390x)	5m 13s
musllinux (ubuntu-22.04, x86)	2m 43s
windows (windows-11-arm, aarch64, arm64)	2m 14s
linux (ubuntu-22.04, x86_64)	2m 29s
linux (ubuntu-22.04, ppc64le)	5m 45s
musllinux (ubuntu-22.04, armv7)	3m 38s
linux (ubuntu-22.04, armv7)	5m 33s
musllinux (ubuntu-22.04, x86_64)	2m 42s
linux (ubuntu-22.04, aarch64)	5m 39s
musllinux (ubuntu-22.04, aarch64)	3m 48s
Release	0s
	54m 45s

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