Both macOS runners (macos-13 and macos-14) now

  use x86_64 architecture, which eliminates the cross-compilation issues that were causing OpenMP
  linking failures.

Author: bnbailey-psl

.github/workflows/build-wheels.yml

@@ -150,7 +150,7 @@ jobs:
 
         # Platform-specific build commands with broad CUDA compatibility  
         CIBW_BEFORE_BUILD_MACOS: "python build_scripts/prepare_wheel.py --buildmode release --nogpu --verbose"
-        CIBW_ENVIRONMENT_MACOS: "MACOSX_DEPLOYMENT_TARGET=${{ matrix.arch == 'x86_64' && '13.0' || '14.0' }}"
+        CIBW_ENVIRONMENT_MACOS: "MACOSX_DEPLOYMENT_TARGET=${{ matrix.arch == 'x86_64' && '13.0' || '14.0' }} CMAKE_OSX_ARCHITECTURES=${{ matrix.arch }}"
         CIBW_BEFORE_BUILD_WINDOWS: "set CMAKE_RC_COMPILER= && set PYHELIOS_CUDA_ARCHITECTURES=50;60;70;75;80;86;90 && python build_scripts/prepare_wheel.py --buildmode release --verbose"
         CIBW_BEFORE_BUILD_LINUX: "yum install -y zlib-devel && export PYHELIOS_CUDA_ARCHITECTURES='50;60;70;75;80;86;90' && python build_scripts/prepare_wheel.py --buildmode release --verbose"