Merge pull request #674 from eesast/renovate/actions-download-artifact-4.x

chore(deps): update actions/download-artifact action to v4

.github/workflows/upload_COS.yml

@@ -112,7 +112,7 @@ jobs:
     - name: Pip Install paramiko
       run: pip install paramiko
 
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
       with:
         name: my-artifact
         path: ./THUAI6