Enable building free-threading wheels for 3.13 #1116

Job	Run time
build_sdist	14s
Build wheels on macos-13 x86_64	13m 6s
Build wheels on macos-14 arm64	8m 5s
Build wheels on ubuntu-22.04 x86_64	14m 21s
Build wheels on windows-latest ARM64	13m 15s
Build wheels on ubuntu-24.04-arm aarch64	10m 29s
Build wheels on windows-latest AMD64	13m 46s
upload_test_pypi	0s
upload_pypi	0s
	1h 13m 16s

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