Add data-engineering to marketplace

.claude-plugin/marketplace.json

@@ -1040,14 +1040,14 @@
       "homepage": "https://github.com/intercom/claude-plugin-external"
     },
     {
-      "name": "opsera-devsecops",
-      "description": "Opsera DevSecOps Agent — AI-powered architecture analysis, security scanning, compliance auditing, and SQL security for your codebase. Free trial included.",
+      "name": "data-engineering",
+      "description": "Data engineering plugin - warehouse exploration, pipeline authoring, Airflow integration",
       "source": {
         "source": "url",
-        "url": "https://github.com/opsera-agents/opsera-devsecops.git",
-        "sha": "e797228134ee7d3199594eb0ee5a659df40c91da"
+        "url": "https://github.com/astronomer/agents.git",
+        "sha": "85d6053b1e21724f9cefb1e3f5219bd54fc77224"
       },
-      "homepage": "https://opsera.ai/agents"
+      "homepage": "https://github.com/astronomer/agents"
     }
   ]
 }