workflow:Coverall:Finish python v5 to v6 update

Author: pbiering

.github/workflows/test.yml

@@ -173,7 +173,7 @@ jobs:
     if: github.event_name == 'push'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: 3.x
       - name: Install Coveralls