Move license/twine check into test CIBW_AFTER_BUILD does not exist #5

Job	Run time
Build sdist	57s
Build wheels on ubuntu-24.04-arm for aarch64	1m 16s
Build wheels on macos-14 for arm64	1m 2s
Build wheels on windows-11-arm for ARM64	1m 8s
Build wheels on windows-latest for AMD64	1m 11s
Build wheels on macos-15-intel for x86_64	1m 20s
Build wheels on ubuntu-latest for x86_64	1m 17s
Upload release to PyPI	-1s
	8m 10s

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