gha: add separator to kserve smoke test logs

.github/workflows/kserve-test.yml

@@ -96,6 +96,7 @@ jobs:
               kubectl logs pod/setup-flan-t5-small --all-containers
               exit 1
             fi
+            echo "-------------------"
           done
 
       - name: Deploy ServingRuntime/InferenceService
@@ -110,6 +111,7 @@ jobs:
             if [[ $max_retries -le 0 ]]; then
               exit 1
             fi
+            echo "-------------------"
           done
 
       - name: Install caikit-nlp-client