updating GHA for cancel-workflow

Author: abacchilb

.github/workflows/python-package.yml

@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Cancel previous workflow
-        uses: styfle/cancel-workflow-action@0.4.0
+        uses: styfle/cancel-workflow-action@0.12.1
         with:
           access_token: ${{ github.token }}