Update coverallsapp/github-action to v2 and fix the option

.github/workflows/ci.yml

@@ -69,8 +69,9 @@ jobs:
         run: bundle exec rake
 
       - name: Coveralls
-        uses: coverallsapp/github-action@v1
-        fail-on-error: false
+        uses: coverallsapp/github-action@v2
+        with:
+          fail-on-error: false
 
   ghcr-build-docker-images:
     name: ghcr-docker-build-${{ matrix.docker_image }}