build macos wheels for universal2

Author: Griger5

.github/workflows/buildwheels.yml

@@ -64,7 +64,7 @@ jobs:
           CIBW_BEFORE_BUILD_WINDOWS: pip install delvewheel
           CIBW_ENVIRONMENT_WINDOWS: CMAKE_ARGS="-DCMAKE_MAKE_PROGRAM=D:/a/_temp/msys64/mingw64/bin/ninja.exe" CMAKE_PROGRAM_PATH="D:/a/_temp/msys64/usr/bin" CMAKE_GENERATOR="Ninja" TEMP="D:/a/_temp/"
           CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: delvewheel repair -w {dest_dir} {wheel}
-          CIBW_ARCHS_MACOS: "x86_64 arm64"
+          CIBW_ARCHS_MACOS: "universal2"
           CIBW_BEFORE_BUILD_MACOS: brew reinstall gcc
           CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=`sw_vers -productVersion` SYSTEM_VERSION_COMPAT=0
           CIBW_TEST_REQUIRES: pytest pytest-order