Update test.yml

Author: aditigopalan

.github/workflows/test.yml

@@ -37,7 +37,7 @@ jobs:
             --output_dir test_results_example
       
       - name: Upload test results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: always()
         with:
           name: integration-test-results
@@ -54,7 +54,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Download integration test results
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: integration-test-results
           path: test_results
@@ -170,7 +170,7 @@ jobs:
           echo "✓ Workflow fails without synapse_folder_id when upload_to_synapse is true"
       
       - name: Upload error test results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: always()
         with:
           name: error-test-results