bump(fastly-agent-toolkit): ea3623d5 → 172b2fd5 (#4993)

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

.claude-plugin/marketplace.json

@@ -1478,7 +1478,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/fastly/fastly-agent-toolkit.git",
-        "sha": "ea3623d5facc7053eaa802f5fc483dd7121a39aa"
+        "sha": "172b2fd572f08fb4957bbe6d74cab3aba1e43fcf"
       },
       "homepage": "https://github.com/fastly/fastly-agent-toolkit/blob/main/README.md"
     },