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?

• 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

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• New and existing unit tests pass locally with my changes.
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[kenibrewer]

LGTM

[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!