[stdlib] Update the return type of urllib.request.urlopen to urllib.response.addinfourl | http.client.HTTPResponse

Signed-off-by: Edgar Ramírez-Mondragón <edgarrm358@gmail.com>

Author: edgarrmondragon

stdlib/urllib/request.pyi

@@ -49,7 +49,7 @@ if sys.version_info < (3, 14):
     __all__ += ["URLopener", "FancyURLopener"]
 
 _T = TypeVar("_T")
-_UrlopenRet: TypeAlias = Any
+_UrlopenRet: TypeAlias = addinfourl | HTTPResponse
 _DataType: TypeAlias = ReadableBuffer | SupportsRead[bytes] | Iterable[bytes] | None
 
 if sys.version_info >= (3, 13):