fixup: amend workflow

Author: arunkannawadi

.github/workflows/pythonpackage.yml

@@ -54,7 +54,7 @@ jobs:
           coverage xml
       - name: Upload code coverage (macOS only)
         if:
-          "matrix.os == 'macos-latest' & matrix.python-version == '3.10'"
+          "matrix.os == 'macos-latest' && matrix.python-version == '3.10'"
         uses: codecov/codecov-action@v2
         with:
           directory: ./