Fix typo in action location/ref

Author: dalito

.github/workflows/ci.yml

@@ -82,7 +82,7 @@ jobs:
 
       - name: Upload HTML report
         if: ${{ failure() }}
-        uses: actions/upload-artifact@@834a144ee995460fba8ed112a2fc961b36a5ec5a
+        uses: actions/upload-artifact@834a144ee995460fba8ed112a2fc961b36a5ec5a
         with:
           name: html-report
           path: .htmlcov