ci: push all branches to coveralls

Author: marcoieni

.github/workflows/ci.yml

@@ -74,7 +74,7 @@ jobs:
           args: '--ignore-tests --out Lcov'
       - name: Upload to Coveralls
         # upload only if push on branch master
-        if: ${{ github.event_name == 'push' && github.ref == 'ref/head/master' }}
+        if: ${{ github.event_name == 'push' }}
         uses: coverallsapp/github-action@master
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}