feat: support nacos in agent update

[yaozheng-fang]

Create config when create:

In cloud:

Ask his name:

Change his name to Personal Assistant:

Ask him again:

Happy dynamic config & hot fix!

---

Demo:

import asyncio
from contextlib import asynccontextmanager

from google.adk.a2a.utils.agent_to_a2a import to_a2a
from starlette.applications import Starlette
from veadk import Agent
from veadk.configs.dynamic_config_manager import DynamicConfigManager
from veadk.tools.demo_tools import get_city_weather

root_agent = Agent(
    id="1",
    name="weather_agent",
    description="An agent that can get the weather of a city",
    tools=[get_city_weather],
)

loop = asyncio.get_running_loop()
print(loop)

config_mgr = DynamicConfigManager(agents=root_agent)

if loop and loop.is_running():
    loop.create_task(config_mgr.create_config())