chore: touch sdk/core test to trigger Chronus Verify CI demo

Author: l0lawrence

sdk/core/azure-core/tests/test_authentication.py

@@ -1220,3 +1220,5 @@ def send(self, request, **kwargs):
     response = pipeline.run(HttpRequest("GET", "https://legitimate.azure.com"))
     assert response.http_response.status_code == 200
     assert transport._request_count == 3
+
+# Demo: trigger Chronus Verify CI