invoke coveralls with sh -c

Author: chris48s

.github/workflows/test.yml

@@ -26,4 +26,4 @@ jobs:
         if: always()
 
       - name: Upload coverage report to coveralls
-        run: docker-compose run -T --rm -e COVERALLS_REPO_TOKEN=${{ secrets.COVERALLS_REPO_TOKEN }} app coveralls
+        run: docker-compose run -T --rm -e COVERALLS_REPO_TOKEN=${{ secrets.COVERALLS_REPO_TOKEN }} app sh -c "coveralls"