SyntaxWarning in Python 3.14+ (PEP 765)

this library show SyntaxWarning in python 3.14+ ([PEP 765](https://peps.python.org/pep-0765/))
```
C:\...\.venv\Lib\site-packages\winpty\ptyprocess.py:367: SyntaxWarning: 'break' in a 'finally' block
  break
```