Use gh-action-pypi-publish v1.7.0+ APIs

[matthewfeickert]

trafficstars

In pypa/gh-action-pypi-publish v1.7.0 inputs were changed to use kebab-case. Update to all inputs that were previously snake_case to use the new input format.

• c.f. https://github.com/pypa/gh-action-pypi-publish/releases/tag/v1.7.0

[matthewfeickert]

c.f. https://github.com/scikit-hep/pyhf/pull/2177