Support for Python 3.13 #78

Job	Run time
sdist	17s
macos (x86_64)	3m 17s
musllinux (x86_64-unknown-linux-musl)	3m 15s
linux (x86_64)	3m 16s
macos (aarch64)	3m 17s
musllinux (i686-unknown-linux-musl)	3m 16s
linux (x86)	3m 15s
linux (aarch64)	3m 17s
windows (x64)	3m 14s
linux (armv7)	3m 16s
windows (x86)	3m 13s
linux (s390x)	3m 15s
linux (ppc64le)	3m 16s
Release	1s
	39m 25s

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