The action currently fails to run on theARM runners GitHub have made available because the Docker image used for releases only is available for thelinux/amd64 architecture.

Would it be possible to add support forlinux/arm64 as well, please?

It looks likehttps://github.com/pypa/gh-action-pypi-publish/blob/HEAD/.github/workflows/build-and-push-docker-image.yml is what needs to be edited to accomplish this.

That workflow could potentially be changed to make use of some of the existing actions available for building Docker images, such as what I use here:https://github.com/Tenzer/dockerfiles/blob/main/.github/workflows/uwsgi-werkzeug-echo.yml. I don't know if that would be appreciated or not.