Use older version of Python

.github/workflows/macos.yml

@@ -103,7 +103,7 @@ jobs:
       - name: Setup Python and pip
         uses: actions/setup-python@v4
         with:
-          python-version: '3.10.x'
+          python-version: '3.8.x'
           cache: 'pip'
           cache-dependency-path: .github/workflows/requirements-conan-package.txt