Align RejectedExecutionException log message formatting in CopilotSession

Agent-Logs-Url: https://github.com/github/copilot-sdk-java/sessions/63b9b09f-f1f4-44d3-8e34-ad01e355cc6a

Co-authored-by: edburns <75821+edburns@users.noreply.github.com>

Author: Copilot

src/main/java/com/github/copilot/sdk/CopilotSession.java

@@ -795,8 +795,7 @@ private void executePermissionAndRespondAsync(String requestId, PermissionReques
                 CompletableFuture.runAsync(task);
             }
         } catch (RejectedExecutionException e) {
-            LOG.log(Level.WARNING, "Executor rejected permission task for requestId=" + requestId + "; running inline",
-                    e);
+            LOG.log(Level.WARNING, "Executor rejected perm task for requestId=" + requestId + "; running inline", e);
             task.run();
         }
     }