GHSA-VXMW-7H4F-HQXH PyPI publish GitHub Action vulnerable to injectable expression expansions in action steps

Summary gh-action-pypi-publish makes use of GitHub Actions expression expansions i.e. $ ... in contexts that are potentially attacker controllable. Depending on the trigger used to invoke gh-action-pypi-publish, this may allow an attacker to execute arbitrary code within the context of a workflow...