MacOS CI broken

[bernhardmgruber]

The MacOS 14.3.1 CI is broken. It is failing to install OpenMP:

==> Installing libomp dependency: [email protected]
==> Downloading https://ghcr.io/v2/homebrew/core/python/3.11/manifests/3.11.6_1
Already downloaded: /Users/runner/Library/Caches/Homebrew/downloads/481941c47c71dfeb6fba3057ead9b0bd21f7ca514b815bd8dde7cbeff257b362--python@3.11-3.11.6_1.bottle_manifest.json
==> Pouring [email protected]_1.ventura.bottle.tar.gz
Error: The `brew link` step did not complete successfully
The formula built, but is not symlinked into /usr/local
Could not symlink bin/2to3
Target /usr/local/bin/2to3
already exists. You may want to remove it:
  rm '/usr/local/bin/2to3'

To force the link and overwrite all conflicting files:
  brew link --overwrite [email protected]

To list all files that would be deleted:
  brew link --overwrite --dry-run [email protected]

Possible conflicting files are:
/usr/local/bin/2to3 -> /Library/Frameworks/Python.framework/Versions/3.12/bin/2to3
/usr/local/bin/2to3-3.11 -> /Library/Frameworks/Python.framework/Versions/3.11/bin/2to3-3.11
/usr/local/bin/idle3 -> /Library/Frameworks/Python.framework/Versions/3.12/bin/idle3
/usr/local/bin/idle3.11 -> /Library/Frameworks/Python.framework/Versions/3.11/bin/idle3.11
/usr/local/bin/pydoc3 -> /Library/Frameworks/Python.framework/Versions/3.12/bin/pydoc3
/usr/local/bin/pydoc3.11 -> /Library/Frameworks/Python.framework/Versions/3.11/bin/pydoc3.11
/usr/local/bin/python3 -> /Library/Frameworks/Python.framework/Versions/3.12/bin/python3
/usr/local/bin/python3-config -> /Library/Frameworks/Python.framework/Versions/3.12/bin/python3-config
/usr/local/bin/python3.11 -> /Library/Frameworks/Python.framework/Versions/3.11/bin/python3.11
/usr/local/bin/python3.11-config -> /Library/Frameworks/Python.framework/Versions/3.11/bin/python3.11-config
==> /usr/local/Cellar/[email protected]/3.11.6_1/bin/python3.11 -Im ensurepip
==> /usr/local/Cellar/[email protected]/3.11.6_1/bin/python3.11 -Im pip install -v --n
==> Summary
🍺  /usr/local/Cellar/[email protected]/3.11.6_1: 3,284 files, 61.1MB

See for example: https://github.com/alpaka-group/alpaka/actions/runs/6771895965/job/18403331248?pr=1924

This may be caused by the custom installation recipies for OpenMP introduced in #1922.

[psychocoderHPC]

fixed with #2208