GHA Cleanup

[cmazakas]

• Manually specify cmake-version because of cmake-3.28-rc segfaulting on osx
• Relocate set(output directory) for add_subdirectory tests only
• fix typo in "build-type"

[codecov]

Codecov Report

Merging #13 (5689d39) into develop (4ed26f4) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop      #13   +/-   ##
========================================
  Coverage    99.07%   99.07%           
========================================
  Files           28       28           
  Lines          755      755           
========================================
  Hits           748      748           
  Misses           7        7           

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[cppalliance-bot]

GCOVR code coverage report https://13.buffers.prtest.cppalliance.org/gcovr/index.html
LCOV code coverage report https://13.buffers.prtest.cppalliance.org/genhtml/index.html
Coverage Diff https://13.buffers.prtest.cppalliance.org/gcovr/coverage_diff.txt