Fix creating coverage report

Author: tekktrik

.github/workflows/codecov.yml

@@ -32,10 +32,13 @@ jobs:
           pip install ".[optional]"
       - name: Install test requirements
         run: |
-          pip install pytest pytest-cov
+          pip install pytest coverage
       - name: Run tests
         run: |
-          pytest --cov --cov-branch --cov-report=xml
+          coverage run -m pytest
+      - name: Create coverage report
+        run: |
+          coverage xml
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v5
         with: