New target property for specifying Python version

[jackyk02]

This PR introduces a new target property python-version that allows users to explicitly specify the Python version to be used.

Related Issues and PR: Issue #2298 Issue #2299 PR #2292

Example:

target Python {
  python-version: "3.9.10"
}

If python-version is not specified, the system will default to using Python 3.10 or newer.

Summary by CodeRabbit

• New Features

  • Added support for specifying a specific Python version when generating Python code, defaulting to Python 3.10 or newer if no version is specified.

• Improvements

  • Updated the Python code generation process to allow more precise control over the Python interpreter version used, enhancing compatibility and stability.