GH Action workflow update (#287)

* parallel
* flag-name

Author: nickmerwin

.github/workflows/test.yml

@@ -39,3 +39,15 @@ jobs:
         uses: coverallsapp/github-action@master
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
+          flag-name: ${{matrix.os}}-node-${{ matrix.node }}
+          parallel: true
+
+  finish:
+    needs: run
+    runs-on: ubuntu-latest
+    steps:
+      - name: Coveralls Finished
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.github_token }}
+          parallel-finished: true