update constructor args of the CFuncPtr to expand acceptable types

[junkmd]

Please see #8968

[github-actions]

Diff from mypy_primer, showing the effect of this PR on open source code:

comtypes (https://github.com/enthought/comtypes)
- comtypes/_memberspec.py:357: error: No overload variant of "_FuncPointer" matches argument types "int", "str", "None", "Optional[GUID]"  [call-overload]
- comtypes/_memberspec.py:357: note: Possible overload variants:
- comtypes/_memberspec.py:357: note:     def __init__(self) -> _FuncPointer
- comtypes/_memberspec.py:357: note:     def __init__(self, int, /) -> _FuncPointer
- comtypes/_memberspec.py:357: note:     def __init__(self, Callable[..., Any], /) -> _FuncPointer
- comtypes/_memberspec.py:357: note:     def __init__(self, Tuple[Union[str, int], CDLL], Tuple[Union[Tuple[int], Tuple[int, str], Tuple[int, str, Any]], ...] = ..., /) -> _FuncPointer
- comtypes/_memberspec.py:357: note:     def __init__(self, int, str, Tuple[Union[Tuple[int], Tuple[int, str], Tuple[int, str, Any]], ...] = ..., _Pointer[c_int] = ..., /) -> _FuncPointer
- comtypes/_memberspec.py:358: error: No overload variant of "_FuncPointer" matches argument types "int", "str", "Optional[Tuple[Union[Tuple[int, Optional[str]], Tuple[int, Optional[str], Any]], ...]]", "Optional[GUID]"  [call-overload]
- comtypes/_memberspec.py:358: note: Possible overload variants:
- comtypes/_memberspec.py:358: note:     def __init__(self) -> _FuncPointer
- comtypes/_memberspec.py:358: note:     def __init__(self, int, /) -> _FuncPointer
- comtypes/_memberspec.py:358: note:     def __init__(self, Callable[..., Any], /) -> _FuncPointer
- comtypes/_memberspec.py:358: note:     def __init__(self, Tuple[Union[str, int], CDLL], Tuple[Union[Tuple[int], Tuple[int, str], Tuple[int, str, Any]], ...] = ..., /) -> _FuncPointer
- comtypes/_memberspec.py:358: note:     def __init__(self, int, str, Tuple[Union[Tuple[int], Tuple[int, str], Tuple[int, str, Any]], ...] = ..., _Pointer[c_int] = ..., /) -> _FuncPointer

[junkmd]

Diff from mypy_primer, showing the effect of this PR on open source code:

comtypes (https://github.com/enthought/comtypes)
- comtypes/_memberspec.py:357: error: No overload variant of "_FuncPointer" matches argument types "int", "str", "None", "Optional[GUID]"  [call-overload]
- comtypes/_memberspec.py:357: note: Possible overload variants:
- comtypes/_memberspec.py:357: note:     def __init__(self) -> _FuncPointer
- comtypes/_memberspec.py:357: note:     def __init__(self, int, /) -> _FuncPointer
- comtypes/_memberspec.py:357: note:     def __init__(self, Callable[..., Any], /) -> _FuncPointer
- comtypes/_memberspec.py:357: note:     def __init__(self, Tuple[Union[str, int], CDLL], Tuple[Union[Tuple[int], Tuple[int, str], Tuple[int, str, Any]], ...] = ..., /) -> _FuncPointer
- comtypes/_memberspec.py:357: note:     def __init__(self, int, str, Tuple[Union[Tuple[int], Tuple[int, str], Tuple[int, str, Any]], ...] = ..., _Pointer[c_int] = ..., /) -> _FuncPointer
- comtypes/_memberspec.py:358: error: No overload variant of "_FuncPointer" matches argument types "int", "str", "Optional[Tuple[Union[Tuple[int, Optional[str]], Tuple[int, Optional[str], Any]], ...]]", "Optional[GUID]"  [call-overload]
- comtypes/_memberspec.py:358: note: Possible overload variants:
- comtypes/_memberspec.py:358: note:     def __init__(self) -> _FuncPointer
- comtypes/_memberspec.py:358: note:     def __init__(self, int, /) -> _FuncPointer
- comtypes/_memberspec.py:358: note:     def __init__(self, Callable[..., Any], /) -> _FuncPointer
- comtypes/_memberspec.py:358: note:     def __init__(self, Tuple[Union[str, int], CDLL], Tuple[Union[Tuple[int], Tuple[int, str], Tuple[int, str, Any]], ...] = ..., /) -> _FuncPointer
- comtypes/_memberspec.py:358: note:     def __init__(self, int, str, Tuple[Union[Tuple[int], Tuple[int, str], Tuple[int, str, Any]], ...] = ..., _Pointer[c_int] = ..., /) -> _FuncPointer

I recognize this result as the elimination of false positives in the comtypes.