message: refactor(update-server): Busy-sleep for 10s instead of 1h
  Addresses review comment:
diff: @@ -31,7 +31,7 @@ async def run_and_notify_up(app: web.Application, host: str, port: int) -> NoRet
  # It seems like there should be a better way of doing this,
  # but this is what the docs recommend.
  # https://docs.aiohttp.org/en/stable/web_advanced.html#application-runners
  - await asyncio.sleep(3600)
  + await asyncio.sleep(10)
  finally:
  await runner.cleanup() # type: ignore[no-untyped-call]
  