build universal wheels for macos (#148)

* build universal wheels for macos

* always build mac wheels

* go back to building Mac wheels for release

Author: akaszynski

pyproject.toml

@@ -27,5 +27,5 @@ test-command = "pytest {project}/tests"
 
 [tool.cibuildwheel.macos]
 # https://cibuildwheel.readthedocs.io/en/stable/faq/#apple-silicon
-archs = ["x86_64"]  # , "universal2"
+archs = ["x86_64", "universal2"]
 test-skip = ["*_arm64", "*_universal2:arm64"]