bump actions

Author: fewensa

.github/workflows/playground.yml

@@ -49,7 +49,7 @@ jobs:
     needs: [artifact-download]
     if: always()
     steps:
-      - uses: geekyeggo/delete-artifact@v2
+      - uses: geekyeggo/delete-artifact@v5
         with:
           name: |
             artifact-*