Update pipeline.yml

Author: jan-janssen

.github/workflows/pipeline.yml

@@ -133,9 +133,11 @@ jobs:
         pip install . --no-deps --no-build-isolation
         coverage run  --omit="structuretoolkit/_version.py,tests/*" -m unittest discover tests
         coverage xml
-    - name: Coverage
-      if:  matrix.label == 'linux-64-py-3-12'
-      uses: coverallsapp/github-action@v2
+    - name: Upload coverage reports to Codecov
+      if: matrix.label == 'linux-64-py-3-12'
+      uses: codecov/codecov-action@v5
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
 
   unittest_old:
     needs: [black]
@@ -171,4 +173,4 @@ jobs:
         run: gh pr merge --auto --squash "$PR_URL"
         env:
           PR_URL: ${{github.event.pull_request.html_url}}
-          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}