pyqt on python 3.10 - implicit float to int conversion issue

[meta]

Hello,

When using PyQt with previous versions of Python, a float can be passed
where an int is expected e.g. QColor(0, 0, 0, 255 * some_float).

With 3.10 however, the same code gives the following error:
```
TypeError: arguments did not match any overloaded call:
  QColor(Qt.GlobalColor): argument 1 has unexpected type 'int'
  QColor(int): too many arguments
  QColor(QRgba64): argument 1 has unexpected type 'int'
  QColor(Any): too many arguments
  QColor(): too many arguments
  QColor(int, int, int, alpha: int = 255): argument 4 has unexpected type
'float'
  QColor(str): argument 1 has unexpected type 'int'
  QColor(Union[QColor, Qt.GlobalColor, QGradient]): argument 1 has
unexpected type 'int'
```

Specifically `QColor(int, int, int, alpha: int = 255): argument 4 has
unexpected type 'float'`.

I believe this is related to the following deprecation in 3.8 which was
solidified in 3.10: https://bugs.python.org/issue36048

Cheers
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