Add data-engineering to marketplace

.claude-plugin/marketplace.json

@@ -1040,14 +1040,14 @@
       "homepage": "https://github.com/intercom/claude-plugin-external"
     },
     {
-      "name": "product-tracking-skills",
-      "description": "AI agent skills that make SaaS products data-ready for product analytics — from codebase scan to tracking plan to working instrumentation code.",
+      "name": "data-engineering",
+      "description": "Data engineering plugin - warehouse exploration, pipeline authoring, Airflow integration",
       "source": {
         "source": "url",
-        "url": "https://github.com/Accoil/product-tracking-skills.git",
-        "sha": "341f8cf47d8b5dda550222152377c50aee34c723"
+        "url": "https://github.com/astronomer/agents.git",
+        "sha": "85d6053b1e21724f9cefb1e3f5219bd54fc77224"
       },
-      "homepage": "https://www.accoil.com/product-tracking"
+      "homepage": "https://github.com/astronomer/agents"
     }
   ]
 }