Install swig from wheel

.github/workflows/macOS.yml

@@ -37,6 +37,8 @@ jobs:
           grep pyscard requirements.txt >> source-reqs.txt
           # Remove non-universal packages
           poetry run pip uninstall -y cryptography cffi pyscard
+          # Install swig from wheel
+          poetry run pip install swig
           # Build cffi from source to get universal build
           poetry run pip install --upgrade -r source-reqs.txt --no-binary :all:
           # Explicitly install pre-build universal build of cryptography