add missing LinkedDataset node

Author: FynnBe

bioimageio/core/resource_io/nodes.py

@@ -73,6 +73,11 @@ class CollectionEntry(Node, collection_raw_nodes.CollectionEntry):
     source: URI = missing
 
 
+@dataclass
+class LinkedDataset(Node, model_raw_nodes.LinkedDataset):
+    pass
+
+
 @dataclass
 class ModelParent(Node, model_raw_nodes.ModelParent):
     pass