Update server_mutex prefix for clarity

Changed the 'server_mutex' prefix to include ':server_mutex:' for improved key identification and to avoid potential naming conflicts.

Co-Authored-By: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-Authored-By: huangdijia <8337659+huangdijia@users.noreply.github.com>

Author: huangdijia

publish/trigger.php

@@ -31,7 +31,7 @@
 
             'server_mutex' => [
                 'enable' => true,
-                'prefix' => env('APP_NAME', 'trigger') . ':',
+                'prefix' => env('APP_NAME', 'trigger') . ':server_mutex:',
                 'expires' => 30,
                 'keepalive_interval' => 10,
                 'retry_interval' => 10,