Broaden method type definition for preconf orjson converter.

`bytes` is not the only input type `orjson.loads` allows.

Signed-off-by: Zixuan James Li <p359101898@gmail.com>

src/cattrs/preconf/orjson.py

@@ -2,7 +2,7 @@
 from base64 import b85decode, b85encode
 from datetime import datetime
 from enum import Enum
-from typing import Any, Type, TypeVar
+from typing import Any, Type, TypeVar, Union
 
 from orjson import dumps, loads
 
@@ -17,7 +17,7 @@ class OrjsonConverter(Converter):
     def dumps(self, obj: Any, unstructure_as: Any = None, **kwargs: Any) -> bytes:
         return dumps(self.unstructure(obj, unstructure_as=unstructure_as), **kwargs)
 
-    def loads(self, data: bytes, cl: Type[T]) -> T:
+    def loads(self, data: Union[bytes, bytearray, memoryview, str], cl: Type[T]) -> T:
         return self.structure(loads(data), cl)