Update GitHub CI matrix

[ericpre]

Reference: https://github.com/actions/runner-images/issues/9255

Progress of the PR

• [x] macos-latest is now macos-14 with arm architecture; keep one build with macos-13 and intel architecture
• [n/a] update docstring (if appropriate),
• [n/a] update user guide (if appropriate),
• [n/a] add a changelog entry in the upcoming_changes folder (see upcoming_changes/README.rst),
• [n/a] Check formatting of the changelog entry (and eventual user guide changes) in the docs/readthedocs.org:rosettasciio build of this PR (link in github checks)
• [n/a] add tests,
• [ ] ready for review.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.11%. Comparing base (be858cf) to head (aff946f). Report is 94 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #264 +/- ## ========================================== - Coverage 86.35% 86.11% -0.25% ========================================== Files 83 83 Lines 10645 10645 Branches 2322 2322 ========================================== - Hits 9193 9167 -26 - Misses 935 960 +25 - Partials 517 518 +1 ```

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