socket: constructor accepts bytes on Windows (#9095)

https://github.com/python/cpython/blob/d04899abb0da4cc7c0a390f5bc52d57ace8955fd/Modules/socketmodule.c#L5318

This is used in `socket.fromshare`. It must be bytes, not some other buffer.

Author: JelleZijlstra

stdlib/_socket.pyi

@@ -583,7 +583,11 @@ class socket:
     def proto(self) -> int: ...
     @property
     def timeout(self) -> float | None: ...
-    def __init__(self, family: int = ..., type: int = ..., proto: int = ..., fileno: _FD | None = ...) -> None: ...
+    if sys.platform == "win32":
+        def __init__(self, family: int = ..., type: int = ..., proto: int = ..., fileno: _FD | bytes | None = ...) -> None: ...
+    else:
+        def __init__(self, family: int = ..., type: int = ..., proto: int = ..., fileno: _FD | None = ...) -> None: ...
+
     def bind(self, __address: _Address) -> None: ...
     def close(self) -> None: ...
     def connect(self, __address: _Address) -> None: ...