add secret reference in cleanup warning log

Author: iting0321

runtime/service/src/main/java/org/apache/polaris/service/admin/PolarisAdminService.java

@@ -700,7 +700,9 @@ private void deleteSecretReferencesAfterFailedCatalogCreate(
                     .atWarn()
                     .setCause(e)
                     .addKeyValue("secretReference", secretReference.urn())
-                    .log("Failed to clean up secret after catalog creation failure");
+                    .log(
+                        "Failed to clean up secret {} after catalog creation failure",
+                        secretReference.urn());
               }
             });
   }