docs: fix mention of python version

docs/en/get-started/start-project.rst

@@ -434,4 +434,4 @@ With some Linux distributions, you may get the ``Failed to open port /dev/ttyUSB
 Python compatibility
 ~~~~~~~~~~~~~~~~~~~~
 
-ESP-IDF supports Python 3.6 or newer. It is recommended to upgrade your operating system to a recent version satisfying this requirement. Other options include the installation of Python from `sources <https://www.python.org/downloads/>`_ or the use of a Python version management system such as `pyenv <https://github.com/pyenv/pyenv>`_.
+ESP-IDF supports Python 3.7 or newer. It is recommended to upgrade your operating system to a recent version satisfying this requirement. Other options include the installation of Python from `sources <https://www.python.org/downloads/>`_ or the use of a Python version management system such as `pyenv <https://github.com/pyenv/pyenv>`_.

docs/zh_CN/get-started/start-project.rst

@@ -434,4 +434,4 @@ Linux 和 macOS 操作系统
 兼容的 Python 版本
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-ESP-IDF 支持 Python 3.6 及以上版本，建议升级操作系统到最新版本从而更新 Python。也可选择从 `sources <https://www.python.org/downloads/>`_ 安装最新版 Python，或使用 Python 管理系统如 `pyenv <https://github.com/pyenv/pyenv>`_ 对版本进行升级管理。
+ESP-IDF 支持 Python 3.7 及以上版本，建议升级操作系统到最新版本从而更新 Python。也可选择从 `sources <https://www.python.org/downloads/>`_ 安装最新版 Python，或使用 Python 管理系统如 `pyenv <https://github.com/pyenv/pyenv>`_ 对版本进行升级管理。