retry to fix coveralls.io

Author: Ouziel

.github/workflows/_pytest_action.yml

@@ -44,8 +44,7 @@ jobs:
       - name: Upload coverage
         run: |
           cd counterparty-core
-          export COVERALLS_FORCE_BRANCH="${GITHUB_REF_NAME}"
-          coveralls --submit=./coverage.lcov
+          coveralls --service=github-actions --submit=./coverage.lcov
         env:
-          GITHUB_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
+          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
           COVERALLS_PARALLEL: true