upgrade actions checkout and setup python

[asears]

• Upgrade github actions for test and publish to latest.

Note: Have not tested the publish/release workflow.

References

https://github.com/actions/checkout https://github.com/actions/setup-python

Future improvement

https://docs.github.com/en/code-security/dependabot/working-with-dependabot/keeping-your-actions-up-to-date-with-dependabot