put the coveralls call in a different job so it happens whether or no…

…t there's a failure in the tests

.github/workflows/testing.yml

@@ -54,6 +54,8 @@ jobs:
       run: |
         cd ${CLAW}/pyclaw
         coverage run --source=src -m pytest --ignore=development
-        coveralls
+
+    -name: Upload to Coveralls
+      run: coveralls
       env:
         COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}