fix(gh-monitor): add --to signal uuid for announce delivery

tools/gh-monitor/poll.py

@@ -195,6 +195,7 @@ def dispatch_agent(repo_slug: str, pr: dict, event: dict) -> None:
                 "--message", message,
                 "--delete-after-run",
                 "--announce",
+                "--to", "uuid:6f600cd9-3223-4d4b-b783-b944ebf9fb8f",
                 "--timeout-seconds", "300",
             ],
             capture_output=True,