Remove deprecated python-freethreading option #65

Job	Run time
Build sdist	1m 5s
Repackage licenses in sdist for binary distribution	8s
Build wheels on macos-14 for arm64	6m 7s
Build wheels on macos-15-intel for x86_64	16m 39s
Build wheels on windows-latest for AMD64	15m 51s
Build wheels on ubuntu-24.04-arm for aarch64	7m 13s
Build wheels on windows-11-arm for ARM64	14m 20s
Build wheels on ubuntu-latest for x86_64	22m 37s
Publish release to TestPyPI	0s
Ensure commit is tag before upload to PyPi	-1s
Publish release to PyPI	-1s
	1h 23m 58s

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