Update codecov/codecov-action digest to 9b6d1f8

Author: renovate[bot]

.github/workflows/python-coverage.yml

@@ -78,7 +78,7 @@ jobs:
           path: coverage
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@5a1091511ad55cbe89839c7260b706298ca349f7
+        uses: codecov/codecov-action@9b6d1f84bde660b0f784003009b1f0aa4663cdeb
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           verbose: true