[ci] Updated coveralls on github actions

Author: nemesifier

.github/workflows/ci.yml

@@ -47,22 +47,17 @@ jobs:
         run: coverage run -a --source=netjsonconfig runtests.py
 
       - name: Upload Coverage
-        run: coveralls --service=github
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          COVERALLS_FLAG_NAME: |
-           python-${{ matrix.env.env }}
-          COVERALLS_PARALLEL: true
+        uses: coverallsapp/github-action@v2
+        with:
+          parallel: true
+          flag-name: python-${{ matrix.env.env }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}
 
   coveralls:
-    name: Finish Coveralls
     needs: build
     runs-on: ubuntu-latest
-    container: python:3-slim
     steps:
-      - name: Finished
-        run: |
-          pip3 install --upgrade coveralls
-          coveralls --finish
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Coveralls Finished
+        uses: coverallsapp/github-action@v2
+        with:
+          parallel-finished: true