[libs.common.scripts.utils] Fix typing

src/mednet/libs/common/scripts/utils.py

@@ -267,7 +267,7 @@ def save_json_with_backup(path: pathlib.Path, data: JSONable) -> None:
 
 def save_json_metadata(
     output_file: pathlib.Path,
-    **kwargs: dict[str, typing.Any],
+    **kwargs: typing.Any,
 ) -> None:  # numpydoc ignore=PR01
     """Save prediction hyperparameters into a .json file."""