Set macOS deployment target for x86_64 wheels

Author: constantinpape

.github/workflows/wheels.yml

@@ -26,6 +26,7 @@ jobs:
           CIBW_BUILD: "cp310-* cp311-* cp312-* cp313-* cp314-*"
           CIBW_SKIP: "*-win32 *-manylinux_i686 *-musllinux_*"
           CIBW_ARCHS_MACOS: "x86_64 arm64"
+          CIBW_ENVIRONMENT_MACOS: "MACOSX_DEPLOYMENT_TARGET=10.13"
           CIBW_TEST_REQUIRES: "pytest pooch scipy"
           CIBW_TEST_COMMAND: "python -c \"import bioimage_cpp; print(bioimage_cpp.__file__)\" && pytest -q {project}/tests"