bump(aws-serverless): d8243e5f → b13ce7f0 (#2548)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

.claude-plugin/marketplace.json

@@ -365,7 +365,7 @@
         "url": "https://github.com/awslabs/agent-plugins.git",
         "path": "plugins/aws-serverless",
         "ref": "main",
-        "sha": "d8243e5f8f3933d656b3bdfe09cd658a5d9b9fac"
+        "sha": "b13ce7f008c52be10c3fcccce25d64ec614e76be"
       },
       "homepage": "https://github.com/awslabs/agent-plugins"
     },