Merge pull request #1666 from pyiron/codecov

Switch to codecov

.github/workflows/pipeline.yml

@@ -192,9 +192,11 @@ jobs:
           pip install . --no-deps --no-build-isolation
           coverage run --omit="pyiron_atomistics/_version.py,tests/*" -m unittest discover tests
           coverage xml
-      - name: Coveralls
+      - name: Upload coverage reports to Codecov
         if: matrix.label == 'linux-64-py-3-12'
-        uses: coverallsapp/github-action@v2
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
 
   unittest_old:
     needs: [black]
@@ -231,4 +233,4 @@ 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}}

README.md

@@ -1,5 +1,6 @@
 # pyiron_atomistics
 
+[![codecov](https://codecov.io/gh/pyiron/pyiron_atomistics/graph/badge.svg?token=lM9AE7780p)](https://codecov.io/gh/pyiron/pyiron_atomistics)
 [![Pipeline](https://github.com/pyiron/pyiron_atomistics/actions/workflows/pipeline.yml/badge.svg)](https://github.com/pyiron/pyiron_atomistics/actions/workflows/pipeline.yml)
 ![Anaconda](https://anaconda.org/conda-forge/pyiron_atomistics/badges/downloads.svg)
 ![Release](https://anaconda.org/conda-forge/pyiron_atomistics/badges/latest_release_date.svg)