ci(runners): update macos version for python

[d33bs]

Description

This PR addresses #406 by pinning the MacOS GitHub Actions runner to macos-13. Without this change, we will see issues from Python 3.8 and 3.9 installations through the macos-latest (version 14) runner images.

Closes #406

What is the nature of your change?

• [x] Bug fix (fixes an issue).
• [ ] Enhancement (adds functionality).
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected).
• [ ] This change requires a documentation update.

Checklist

Please ensure that all boxes are checked before indicating that a pull request is ready for review.

• [x] I have read the CONTRIBUTING.md guidelines.
• [x] My code follows the style guidelines of this project.
• [x] I have performed a self-review of my own code.
• [ ] I have commented my code, particularly in hard-to-understand areas.
• [ ] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.
• [ ] New and existing unit tests pass locally with my changes.
• [ ] I have added tests that prove my fix is effective or that my feature works.
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[kenibrewer]

Merged because we're already seeing failed jobs due to this error. Thanks for finding this @d33bs

[kenibrewer]

@d33bs Just a note that I had to clear the github actions cache to get the mac-os - python3.11 job to pass. gh cache delete --all -R cytomining/pycytominer is a pretty useful command for troubleshooting actions stuff that might be cache related.

[d33bs]

Thanks @kenibrewer for the review, merge, and tip on the cache!