use openastronomy github action for release

[braingram]

Description

Update the "release" publish-to-pypi.yml workflow to use the OpenAstronomy publish_pure_python action.

Checklist:

• pre-commit checks ran successfully
• tests ran successfully
• for a public change, a changelog entry was added
• for a public change, documentation was updated
• for any new features, unit tests were added

[zacharyburnett]

LGTM, you can also add this as a build check to every pull requests

[zacharyburnett]

Suggested change

	on:
	release:
	types: [released]
	workflow_dispatch:
	on:
	release:
	types: [released]
	pull_request:
	workflow_dispatch:

[braingram]

Thanks!

PRs are currently tested using the OpenAstronomy workflow in the package step:

asdf/.github/workflows/ci.yml

Lines 121 to 129 in fca8136

	package:
	needs: [core, asdf-schemas]
	uses: OpenAstronomy/github-actions-workflows/.github/workflows/publish_pure_python.yml@v1
	with:
	python-version: "3.11"
	upload_to_pypi: false
	upload_to_anaconda: false
	test_extras: tests
	test_command: pytest --pyargs asdf

I'll take a look at combining these in a follow-up PR.