[Bugfix] Convert untraceable GroupShape to list for AMD impl (#26535)

Signed-off-by: Lucas Kabela <lucaskabela@meta.com>

Author: Lucaskabela

vllm/model_executor/layers/quantization/utils/fp8_utils.py

@@ -360,7 +360,7 @@ def _run_aiter(
             weight,
             input_scale,
             weight_scale,
-            self.weight_group_shape,
+            list(self.weight_group_shape),
             input_2d.dtype,
         )
 
@@ -377,7 +377,7 @@ def _run_triton(
             weight,
             input_scale,
             weight_scale,
-            self.weight_group_shape,
+            list(self.weight_group_shape),
             input_2d.dtype,
         )