Add macos-14 CI, which uses M1 architecture

[cielavenir]

Checklist

• Pull request details were added to CHANGELOG.rst
• Documentation was updated (if needed)

Updating after intel/isa-l#278 merge.

Maybe the maintainer wants to wait for the next "release" of isa-l, but I put my CI result here so that some people can build their own python-isal build from the source code.

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• Here github-action needs approval, but it passed on my fork action: https://github.com/cielavenir/python-isal-py2/actions/runs/8464068215
• My repository name is "-py2" as the main purpose is maintaining py2 port, but this pull request is surely for py3.

[rhpvorderman]

Thanks, I was planning on doing this myself someday. I have no features planned for 1.7.0, except for adding arm64 macs to the build.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.88%. Comparing base (748c07e) to head (cba0c33).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #194   +/-   ##
========================================
  Coverage    94.88%   94.88%           
========================================
  Files            3        3           
  Lines          450      450           
  Branches        78       78           
========================================
  Hits           427      427           
  Misses          14       14           
  Partials         9        9           

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