Merge pull request #7 from pheuer/codecov

Try adding codecov to ci

.github/workflows/ci.yml

@@ -23,8 +23,7 @@ jobs:
         - name: Tests Python 3.12 - Ubuntu
           os: ubuntu-latest
           python-version: '3.12'
-
-
+          run-codecov: true
 
 
     steps:
@@ -39,9 +38,17 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install pytest
+        pip install pytest pytest-cov
         pip install -e .
 
     - name: Test with pytest
       run: |
-        pytest
+        pytest --cov --cov-report=xml
+
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v5
+      if: ${{ matrix.run-codecov }}
+      with:
+        fail_ci_if_error: false
+        files: ./coverage.xml
+        token: ${{ secrets.CODECOV_TOKEN }}