fix type check in deserialization of tx witness (#414) (#415)

Author: nullhashpixel

pycardano/witness.py

@@ -36,7 +36,7 @@ def __post_init__(self):
             self.vkey = self.vkey.to_non_extended()
 
     @classmethod
-    @limit_primitive_type(list)
+    @limit_primitive_type(list, tuple)
     def from_primitive(
         cls: Type[VerificationKeyWitness], values: Union[list, tuple]
     ) -> VerificationKeyWitness: