Used dataset name from the payload

app.py

@@ -135,7 +135,7 @@ app = WebhooksServer(ui=ui.queue(), webhook_secret=WEBHOOK_SECRET)
 @app.add_webhook("/dataset_repo")
 async def community(payload: WebhookPayload):
     if payload.event.scope.startswith("repo"):
-        logger.info(f"Webhook received from {DATASET_NAME} indicating a repo {payload.event.action}")
+        logger.info(f"Webhook received from {payload.repo.name} indicating a repo {payload.event.action}")
 
 
 if __name__ == '__main__':