Update onnxscript/version_converter/_version_converter.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: justinchuby

onnxscript/version_converter/_version_converter.py

@@ -45,9 +45,7 @@ def version_supported(current_version: int, target_version: int) -> bool:
         SUPPORTED_MIN_ONNX_OPSET
         <= current_version
         <= target_version
-        <= SUPPORTED_MIN_ONNX_OPSET
-    )
-
+        <= SUPPORTED_MAX_ONNX_OPSET
 
 class AdapterRegistry:
     """A class that maintains a registry of adapters for ops."""