Feature: Stream stdout and stderr via logging module

In testcontainers-java, the stdout and stderr of the container are streamed to slf4j, making it easy to follow up on the logs of the containers as the test progresses. It's really useful when container takes time to start (waiting for the condition).

I think it's beneficial to have same feature in testcontainers python

首先跟踪 testcontainers-python 如何启动容器以及当前如何提供容器输出，然后将所请求的行为与 testcontainers-java 的实现方式进行比较。当容器运行时（包括启动等待期间）通过 Python 的 logging 模块转发 stdout 和 stderr，并且测试覆盖新行为时，即视为完成。