Update kernel_arguments.py

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Author: nimanikoo

python/semantic_kernel/functions/kernel_arguments.py

@@ -73,6 +73,7 @@ def __or__(self, value: dict) -> "KernelArguments":
         else:
             new_execution_settings = {}
             new_execution_settings = {}
+            new_execution_settings = {}
 
         if isinstance(value, KernelArguments) and value.execution_settings:
             # Only copy when we need to merge (mutation)