set MACOSX_DEPLOYMENT_TARGET for cibuildwheel

Author: niklasmueboe

.github/workflows/cibuildwheel.yml

@@ -30,7 +30,9 @@ jobs:
 
       - name: Build wheels
         uses: pypa/[email protected]
-
+        env:
+          CIBW_ENVIRONMENT: >
+            ${{ env.CIBW_ENVIRONMENT }} ${{ matrix.os == 'macos-13' && 'MACOSX_DEPLOYMENT_TARGET=13.0' || '' }} #magic___^_^___line
       - uses: actions/upload-artifact@v4
         with:
           name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}