try uisng github token instead of coveralls repo token

Author: saimonation

.github/workflows/ci.yml

@@ -31,8 +31,8 @@ jobs:
       run: tox
     - name: Coveralls
       env:
-        COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
-      run: coveralls --service=github-actions
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: coveralls
   deploy:
     needs: build
     if: github.event_name == 'release'