fix file name

Author: craigshoemaker

articles/sre-agent/memory-system.md

@@ -261,7 +261,7 @@ flowchart TD
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-:::image type="content" source="media/memory-system/automatic-learning-loop.png" alt-text="Diagram of Azure SRE Agent memory system loop.":::
+:::image type="content" source="media/memory-system/azure-sre-agent-memory-system-loop.png" alt-text="Diagram of Azure SRE Agent memory system loop.":::
 
 ### What the agent captures