Officially support Python 3.12 and 3.13

**Describe the feature you'd like**

I'd like to see official guarantees that this Python package runs under Python 3.12 and 3.13, which were released on 2023-10-02 and 2024-10-07 respectively. I can only see support for Python 3.11 in [`pyproject.toml`](https://github.com/aws/sagemaker-python-sdk/blob/8a559adde94689590320203c41ac5a49cd17185e/pyproject.toml#L31).

**How would this feature be used? Please describe.**

Ensure I can move my own code to Python 3.12 and 3.13 and benefit from the features from these releases.

**Describe alternatives you've considered**

Using the sdk although it's not officially supported with Python 3.12 und 3.13 and YOLO. 😀

先查看第 31 行 pyproject.toml 中对受支持 Python 版本的声明，然后检查 repository 的配置，以确定在哪里测试或保证兼容性。当 Python 3.12 和 3.13 正式纳入支持范围，并且 package 的兼容性检查在两个版本下都通过时，即表示完成。

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