fix: Correction in global RabbitMQ queue name

Fix global RabbitMQ queue name in `channel.service.ts` and update CHANGELOG.md.
The queue name has been changed from `transformedWe` to `event`.
This fix prevents queue errors and ensures correct functionality of inter-service communication.

src/api/services/channel.service.ts

@@ -788,7 +788,7 @@ export class ChannelStartupService {
               autoDelete: false,
             });
 
-            const queueName = transformedWe;
+            const queueName = event;
 
             await amqp.assertQueue(queueName, {
               durable: true,