docs(edge-worker): Update queue name example in configuration documen…

…tation

Change example queue name from hyphenated to underscore format for consistency

pkgs/pgflow.dev/src/content/docs/edge-worker/configuration.mdx

@@ -67,7 +67,7 @@ with configured name during startup if it does not exist.
 
 ```ts
 EdgeWorker.start(handler, {
-  queueName: 'my-custom-queue'
+  queueName: 'my_custom_queue'
 });
 ```