fix: skip cross-architecture wheel testing on macOS

On macos-15 (ARM): skip x86_64 wheel tests (prevents brew/Rosetta issues)
On macos-15-intel: skip arm64 wheel tests (not runnable on Intel)

Each runner now only tests wheels for its native architecture.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: corneliusroemer

.github/workflows/build_and_publish.yml

@@ -69,6 +69,13 @@ jobs:
           config-file: cibuildwheel.toml
         env:
           CIBW_BUILD: "cp${{ matrix.python-version}}-*"
+          # Skip cross-architecture testing to avoid brew/Rosetta issues
+          CIBW_TEST_SKIP: >-
+            ${{
+              matrix.os == 'macos-15' && '*macosx_x86_64* *aarch64* *ppc64* *s390x*' ||
+              matrix.os == 'macos-15-intel' && '*macosx_arm64* *aarch64* *ppc64* *s390x*' ||
+              '*aarch64* *arm64* *ppc64* *s390x*'
+            }}
 
       - name: "Upload build artifacts (${{ matrix.os }}, py${{ matrix.python-version }})"
         uses: actions/upload-artifact@v4