[ctypes] Replace two instances of Any (#14047)

Author: srittau

stdlib/_ctypes.pyi

@@ -114,7 +114,7 @@ class _PyCPointerType(_CTypeBaseType):
     def from_buffer_copy(self: type[_typeshed.Self], buffer: ReadableBuffer, offset: int = 0, /) -> _typeshed.Self: ...
     def from_param(self: type[_typeshed.Self], value: Any, /) -> _typeshed.Self | _CArgObject: ...
     def in_dll(self: type[_typeshed.Self], dll: CDLL, name: str, /) -> _typeshed.Self: ...
-    def set_type(self, type: Any, /) -> None: ...
+    def set_type(self, type: _CTypeBaseType, /) -> None: ...
     if sys.version_info < (3, 13):
         # Inherited from CType_Type starting on 3.13
         def __mul__(cls: type[_CT], other: int) -> type[Array[_CT]]: ...  # type: ignore[misc] # pyright: ignore[reportGeneralTypeIssues]

stdlib/ctypes/__init__.pyi

@@ -11,6 +11,7 @@ from _ctypes import (
     _CData as _CData,
     _CDataType as _CDataType,
     _CField as _CField,
+    _CTypeBaseType,
     _Pointer as _Pointer,
     _PointerLike as _PointerLike,
     _SimpleCData as _SimpleCData,
@@ -162,7 +163,7 @@ c_buffer = create_string_buffer
 
 def create_unicode_buffer(init: int | str, size: int | None = None) -> Array[c_wchar]: ...
 @deprecated("Deprecated in Python 3.13; removal scheduled for Python 3.15")
-def SetPointerType(pointer: type[_Pointer[Any]], cls: Any) -> None: ...
+def SetPointerType(pointer: type[_Pointer[Any]], cls: _CTypeBaseType) -> None: ...
 def ARRAY(typ: _CT, len: int) -> Array[_CT]: ...  # Soft Deprecated, no plans to remove
 
 if sys.platform == "win32":