Only add MSVC on windows

Author: faymanns

.github/workflows/test_and_deploy.yml

@@ -44,6 +44,7 @@ jobs:
           python -m pip install setuptools tox tox-gh-actions
 
       - name: Set up MSVC
+        if: runner.os == 'Windows'
         uses: TheMrMilchmann/setup-msvc-dev@v4
         with:
           arch: x64