Hard disable Py_LIMITED_API under free-threaded build #255

Job	Run time
make_linux_matrix	2s
make_macos_matrix	3s
make_windows_matrix	3s
python_sdist	10s
linux (cp313-manylinux_x86_64)	4m 30s
macos (cp313-macosx_x86_64, macos-13)	7m 37s
windows (cp313-win_amd64)	1m 28s
linux (cp313t-manylinux_x86_64, true)	5m 29s
macos (cp313-macosx_arm64, 11.0, arch -arm64 bash --noprofile --norc -eo pipefail {0})	3m 25s
linux (cp313-musllinux_x86_64)	4m 40s
merge_artifacts	1s
check	7s
	27m 35s

Provide feedback