Add data to marketplace

Replace the Google Forms link with the new plugin directory
submission link (https://clau.de/plugin-directory-submission).

https://claude.ai/code/session_01NxRDJKDvFR2d4wC4ppDEDT

Co-authored-by: Claude <noreply@anthropic.com>

.claude-plugin/marketplace.json

@@ -684,6 +684,17 @@
         "url": "https://github.com/semgrep/mcp-marketplace.git"
       },
       "homepage": "https://github.com/semgrep/mcp-marketplace.git"
+    },
+    {
+      "name": "data",
+      "description": "Data engineering for Apache Airflow and Astronomer. Author DAGs with best practices, debug pipeline failures, trace data lineage, profile tables, migrate Airflow 2 to 3, and manage local and cloud deployments.",
+      "category": "development",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/astronomer/agents.git",
+        "sha": "7ef022b02f5296b5ecc52ba0db3ba9345ec03c9e"
+      },
+      "homepage": "https://github.com/astronomer/agents"
     }
   ]
 }

.github/workflows/close-external-prs.yml

@@ -36,7 +36,7 @@ jobs:
               owner: context.repo.owner,
               repo: context.repo.repo,
               issue_number: context.payload.pull_request.number,
-              body: `Thanks for your interest! This repo only accepts contributions from Anthropic team members. If you'd like to submit a plugin to the marketplace, please submit your plugin [here](https://docs.google.com/forms/d/e/1FAIpQLSdeFthxvjOXUjxg1i3KrOOkEPDJtn71XC-KjmQlxNP63xYydg/viewform).`
+              body: `Thanks for your interest! This repo only accepts contributions from Anthropic team members. If you'd like to submit a plugin to the marketplace, please submit your plugin [here](https://clau.de/plugin-directory-submission).`
             });
 
             await github.rest.pulls.update({